Home / 161,127.27-222,349.46-89,511.80

Finding the Fourth Proportional to 161,127.27, 222,349.46 and 89,511.80

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Solution

The fourth proportional to 161,127.27, 222,349.46 and 89,511.80 is: 123,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,127.27 : 222,349.46 = 89,511.80 : x
  2. Step 2: Convert to fraction form
    161,127.27/222,349.46 = 89,511.80/x
  3. Step 3: Cross multiply
    161,127.27x = 222,349.46 × 89,511.80
  4. Step 4: Simplify right side
    161,127.27x = 19,902,898,834.32
  5. Step 5: Solve for x
    x = 19,902,898,834.32/161,127.27
  6. Step 6: Final answer
    x = 123,522.85

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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.