Home / 157,076.30-235,614.45-112,789.55

Finding the Fourth Proportional to 157,076.30, 235,614.45 and 112,789.55

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Solution

The fourth proportional to 157,076.30, 235,614.45 and 112,789.55 is: 169,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,076.30 : 235,614.45 = 112,789.55 : x
  2. Step 2: Convert to fraction form
    157,076.30/235,614.45 = 112,789.55/x
  3. Step 3: Cross multiply
    157,076.30x = 235,614.45 × 112,789.55
  4. Step 4: Simplify right side
    157,076.30x = 26,574,847,789.00
  5. Step 5: Solve for x
    x = 26,574,847,789.00/157,076.30
  6. Step 6: Final answer
    x = 169,184.33

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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.