Home / 161,123.77-222,344.62-89,508.30

Finding the Fourth Proportional to 161,123.77, 222,344.62 and 89,508.30

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Solution

The fourth proportional to 161,123.77, 222,344.62 and 89,508.30 is: 123,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,123.77 : 222,344.62 = 89,508.30 : x
  2. Step 2: Convert to fraction form
    161,123.77/222,344.62 = 89,508.30/x
  3. Step 3: Cross multiply
    161,123.77x = 222,344.62 × 89,508.30
  4. Step 4: Simplify right side
    161,123.77x = 19,901,688,950.35
  5. Step 5: Solve for x
    x = 19,901,688,950.35/161,123.77
  6. Step 6: Final answer
    x = 123,518.02

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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.