Home / 156,747.90-235,138.29-51,575.10

Finding the Fourth Proportional to 156,747.90, 235,138.29 and 51,575.10

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Solution

The fourth proportional to 156,747.90, 235,138.29 and 51,575.10 is: 77,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.90 : 235,138.29 = 51,575.10 : x
  2. Step 2: Convert to fraction form
    156,747.90/235,138.29 = 51,575.10/x
  3. Step 3: Cross multiply
    156,747.90x = 235,138.29 × 51,575.10
  4. Step 4: Simplify right side
    156,747.90x = 12,127,280,820.58
  5. Step 5: Solve for x
    x = 12,127,280,820.58/156,747.90
  6. Step 6: Final answer
    x = 77,368.06

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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.