Home / 156,989.20-235,440.60-63,504.40

Finding the Fourth Proportional to 156,989.20, 235,440.60 and 63,504.40

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Solution

The fourth proportional to 156,989.20, 235,440.60 and 63,504.40 is: 95,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.20 : 235,440.60 = 63,504.40 : x
  2. Step 2: Convert to fraction form
    156,989.20/235,440.60 = 63,504.40/x
  3. Step 3: Cross multiply
    156,989.20x = 235,440.60 × 63,504.40
  4. Step 4: Simplify right side
    156,989.20x = 14,951,514,038.64
  5. Step 5: Solve for x
    x = 14,951,514,038.64/156,989.20
  6. Step 6: Final answer
    x = 95,239.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.