Home / 156,913.90-235,296.92-57,003.64

Finding the Fourth Proportional to 156,913.90, 235,296.92 and 57,003.64

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Solution

The fourth proportional to 156,913.90, 235,296.92 and 57,003.64 is: 85,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.90 : 235,296.92 = 57,003.64 : x
  2. Step 2: Convert to fraction form
    156,913.90/235,296.92 = 57,003.64/x
  3. Step 3: Cross multiply
    156,913.90x = 235,296.92 × 57,003.64
  4. Step 4: Simplify right side
    156,913.90x = 13,412,780,920.79
  5. Step 5: Solve for x
    x = 13,412,780,920.79/156,913.90
  6. Step 6: Final answer
    x = 85,478.60

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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.