Home / 161,614.01-242,252.49-90,432.29

Finding the Fourth Proportional to 161,614.01, 242,252.49 and 90,432.29

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Solution

The fourth proportional to 161,614.01, 242,252.49 and 90,432.29 is: 135,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.01 : 242,252.49 = 90,432.29 : x
  2. Step 2: Convert to fraction form
    161,614.01/242,252.49 = 90,432.29/x
  3. Step 3: Cross multiply
    161,614.01x = 242,252.49 × 90,432.29
  4. Step 4: Simplify right side
    161,614.01x = 21,907,446,217.64
  5. Step 5: Solve for x
    x = 21,907,446,217.64/161,614.01
  6. Step 6: Final answer
    x = 135,554.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.