Home / 156,917.32-216,545.06-88,947.16

Finding the Fourth Proportional to 156,917.32, 216,545.06 and 88,947.16

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Solution

The fourth proportional to 156,917.32, 216,545.06 and 88,947.16 is: 122,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.32 : 216,545.06 = 88,947.16 : x
  2. Step 2: Convert to fraction form
    156,917.32/216,545.06 = 88,947.16/x
  3. Step 3: Cross multiply
    156,917.32x = 216,545.06 × 88,947.16
  4. Step 4: Simplify right side
    156,917.32x = 19,261,068,099.03
  5. Step 5: Solve for x
    x = 19,261,068,099.03/156,917.32
  6. Step 6: Final answer
    x = 122,746.60

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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.