Home / 156,306.15-215,583.46-134,539.47

Finding the Fourth Proportional to 156,306.15, 215,583.46 and 134,539.47

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Solution

The fourth proportional to 156,306.15, 215,583.46 and 134,539.47 is: 185,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,306.15 : 215,583.46 = 134,539.47 : x
  2. Step 2: Convert to fraction form
    156,306.15/215,583.46 = 134,539.47/x
  3. Step 3: Cross multiply
    156,306.15x = 215,583.46 × 134,539.47
  4. Step 4: Simplify right side
    156,306.15x = 29,004,484,112.82
  5. Step 5: Solve for x
    x = 29,004,484,112.82/156,306.15
  6. Step 6: Final answer
    x = 185,562.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.