Home / 161,539.13-222,920.10-89,917.58

Finding the Fourth Proportional to 161,539.13, 222,920.10 and 89,917.58

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Solution

The fourth proportional to 161,539.13, 222,920.10 and 89,917.58 is: 124,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,539.13 : 222,920.10 = 89,917.58 : x
  2. Step 2: Convert to fraction form
    161,539.13/222,920.10 = 89,917.58/x
  3. Step 3: Cross multiply
    161,539.13x = 222,920.10 × 89,917.58
  4. Step 4: Simplify right side
    161,539.13x = 20,044,435,925.36
  5. Step 5: Solve for x
    x = 20,044,435,925.36/161,539.13
  6. Step 6: Final answer
    x = 124,084.09

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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.