Home / 161,566.19-222,957-89,946.22

Finding the Fourth Proportional to 161,566.19, 222,957 and 89,946.22

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Solution

The fourth proportional to 161,566.19, 222,957 and 89,946.22 is: 124,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,566.19 : 222,957 = 89,946.22 : x
  2. Step 2: Convert to fraction form
    161,566.19/222,957 = 89,946.22/x
  3. Step 3: Cross multiply
    161,566.19x = 222,957 × 89,946.22
  4. Step 4: Simplify right side
    161,566.19x = 20,054,139,372.54
  5. Step 5: Solve for x
    x = 20,054,139,372.54/161,566.19
  6. Step 6: Final answer
    x = 124,123.37

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.