Home / 157,554.10-236,115.15-101,221.30

Finding the Fourth Proportional to 157,554.10, 236,115.15 and 101,221.30

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Solution

The fourth proportional to 157,554.10, 236,115.15 and 101,221.30 is: 151,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,554.10 : 236,115.15 = 101,221.30 : x
  2. Step 2: Convert to fraction form
    157,554.10/236,115.15 = 101,221.30/x
  3. Step 3: Cross multiply
    157,554.10x = 236,115.15 × 101,221.30
  4. Step 4: Simplify right side
    157,554.10x = 23,899,882,432.70
  5. Step 5: Solve for x
    x = 23,899,882,432.70/157,554.10
  6. Step 6: Final answer
    x = 151,693.18

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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.