Home / 156,627.93-216,141.06-85,006.52

Finding the Fourth Proportional to 156,627.93, 216,141.06 and 85,006.52

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Solution

The fourth proportional to 156,627.93, 216,141.06 and 85,006.52 is: 117,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.93 : 216,141.06 = 85,006.52 : x
  2. Step 2: Convert to fraction form
    156,627.93/216,141.06 = 85,006.52/x
  3. Step 3: Cross multiply
    156,627.93x = 216,141.06 × 85,006.52
  4. Step 4: Simplify right side
    156,627.93x = 18,373,397,833.97
  5. Step 5: Solve for x
    x = 18,373,397,833.97/156,627.93
  6. Step 6: Final answer
    x = 117,306.01

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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.