Home / 156,984.83-235,475.31-38,657.20

Finding the Fourth Proportional to 156,984.83, 235,475.31 and 38,657.20

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Solution

The fourth proportional to 156,984.83, 235,475.31 and 38,657.20 is: 57,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,984.83 : 235,475.31 = 38,657.20 : x
  2. Step 2: Convert to fraction form
    156,984.83/235,475.31 = 38,657.20/x
  3. Step 3: Cross multiply
    156,984.83x = 235,475.31 × 38,657.20
  4. Step 4: Simplify right side
    156,984.83x = 9,102,816,153.73
  5. Step 5: Solve for x
    x = 9,102,816,153.73/156,984.83
  6. Step 6: Final answer
    x = 57,985.32

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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.