Home / 156,701.76-216,360.60-96,353.28

Finding the Fourth Proportional to 156,701.76, 216,360.60 and 96,353.28

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Solution

The fourth proportional to 156,701.76, 216,360.60 and 96,353.28 is: 133,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.76 : 216,360.60 = 96,353.28 : x
  2. Step 2: Convert to fraction form
    156,701.76/216,360.60 = 96,353.28/x
  3. Step 3: Cross multiply
    156,701.76x = 216,360.60 × 96,353.28
  4. Step 4: Simplify right side
    156,701.76x = 20,847,053,472.77
  5. Step 5: Solve for x
    x = 20,847,053,472.77/156,701.76
  6. Step 6: Final answer
    x = 133,036.50

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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.