Home / 157,691.28-236,574.56-52,511.16

Finding the Fourth Proportional to 157,691.28, 236,574.56 and 52,511.16

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Solution

The fourth proportional to 157,691.28, 236,574.56 and 52,511.16 is: 78,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,691.28 : 236,574.56 = 52,511.16 : x
  2. Step 2: Convert to fraction form
    157,691.28/236,574.56 = 52,511.16/x
  3. Step 3: Cross multiply
    157,691.28x = 236,574.56 × 52,511.16
  4. Step 4: Simplify right side
    157,691.28x = 12,422,804,572.09
  5. Step 5: Solve for x
    x = 12,422,804,572.09/157,691.28
  6. Step 6: Final answer
    x = 78,779.27

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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.