Home / 156,972.60-235,070.10-125,868.60

Finding the Fourth Proportional to 156,972.60, 235,070.10 and 125,868.60

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Solution

The fourth proportional to 156,972.60, 235,070.10 and 125,868.60 is: 188,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.60 : 235,070.10 = 125,868.60 : x
  2. Step 2: Convert to fraction form
    156,972.60/235,070.10 = 125,868.60/x
  3. Step 3: Cross multiply
    156,972.60x = 235,070.10 × 125,868.60
  4. Step 4: Simplify right side
    156,972.60x = 29,587,944,388.86
  5. Step 5: Solve for x
    x = 29,587,944,388.86/156,972.60
  6. Step 6: Final answer
    x = 188,491.14

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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.