Home / 156,917.90-235,302.92-57,007.64

Finding the Fourth Proportional to 156,917.90, 235,302.92 and 57,007.64

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Solution

The fourth proportional to 156,917.90, 235,302.92 and 57,007.64 is: 85,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.90 : 235,302.92 = 57,007.64 : x
  2. Step 2: Convert to fraction form
    156,917.90/235,302.92 = 57,007.64/x
  3. Step 3: Cross multiply
    156,917.90x = 235,302.92 × 57,007.64
  4. Step 4: Simplify right side
    156,917.90x = 13,414,064,154.31
  5. Step 5: Solve for x
    x = 13,414,064,154.31/156,917.90
  6. Step 6: Final answer
    x = 85,484.60

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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.