Home / 161,539.08-222,930.48-89,914.56

Finding the Fourth Proportional to 161,539.08, 222,930.48 and 89,914.56

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Solution

The fourth proportional to 161,539.08, 222,930.48 and 89,914.56 is: 124,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,539.08 : 222,930.48 = 89,914.56 : x
  2. Step 2: Convert to fraction form
    161,539.08/222,930.48 = 89,914.56/x
  3. Step 3: Cross multiply
    161,539.08x = 222,930.48 × 89,914.56
  4. Step 4: Simplify right side
    161,539.08x = 20,044,696,019.79
  5. Step 5: Solve for x
    x = 20,044,696,019.79/161,539.08
  6. Step 6: Final answer
    x = 124,085.74

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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.