Home / 156,849.90-235,188.45-51,614.70

Finding the Fourth Proportional to 156,849.90, 235,188.45 and 51,614.70

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Solution

The fourth proportional to 156,849.90, 235,188.45 and 51,614.70 is: 77,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,849.90 : 235,188.45 = 51,614.70 : x
  2. Step 2: Convert to fraction form
    156,849.90/235,188.45 = 51,614.70/x
  3. Step 3: Cross multiply
    156,849.90x = 235,188.45 × 51,614.70
  4. Step 4: Simplify right side
    156,849.90x = 12,139,181,290.22
  5. Step 5: Solve for x
    x = 12,139,181,290.22/156,849.90
  6. Step 6: Final answer
    x = 77,393.62

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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.