Home / 156,744.72-235,124.64-51,561.36

Finding the Fourth Proportional to 156,744.72, 235,124.64 and 51,561.36

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Solution

The fourth proportional to 156,744.72, 235,124.64 and 51,561.36 is: 77,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.72 : 235,124.64 = 51,561.36 : x
  2. Step 2: Convert to fraction form
    156,744.72/235,124.64 = 51,561.36/x
  3. Step 3: Cross multiply
    156,744.72x = 235,124.64 × 51,561.36
  4. Step 4: Simplify right side
    156,744.72x = 12,123,346,207.91
  5. Step 5: Solve for x
    x = 12,123,346,207.91/156,744.72
  6. Step 6: Final answer
    x = 77,344.53

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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.