Home / 157,538.40-236,307.60-57,701.85

Finding the Fourth Proportional to 157,538.40, 236,307.60 and 57,701.85

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Solution

The fourth proportional to 157,538.40, 236,307.60 and 57,701.85 is: 86,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,538.40 : 236,307.60 = 57,701.85 : x
  2. Step 2: Convert to fraction form
    157,538.40/236,307.60 = 57,701.85/x
  3. Step 3: Cross multiply
    157,538.40x = 236,307.60 × 57,701.85
  4. Step 4: Simplify right side
    157,538.40x = 13,635,385,689.06
  5. Step 5: Solve for x
    x = 13,635,385,689.06/157,538.40
  6. Step 6: Final answer
    x = 86,552.78

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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.