Home / 156,947.60-216,585.32-85,327

Finding the Fourth Proportional to 156,947.60, 216,585.32 and 85,327

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Solution

The fourth proportional to 156,947.60, 216,585.32 and 85,327 is: 117,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,947.60 : 216,585.32 = 85,327 : x
  2. Step 2: Convert to fraction form
    156,947.60/216,585.32 = 85,327/x
  3. Step 3: Cross multiply
    156,947.60x = 216,585.32 × 85,327
  4. Step 4: Simplify right side
    156,947.60x = 18,480,575,599.64
  5. Step 5: Solve for x
    x = 18,480,575,599.64/156,947.60
  6. Step 6: Final answer
    x = 117,749.97

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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.