Home / 157,081.72-235,630.14-51,898.36

Finding the Fourth Proportional to 157,081.72, 235,630.14 and 51,898.36

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Solution

The fourth proportional to 157,081.72, 235,630.14 and 51,898.36 is: 77,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,081.72 : 235,630.14 = 51,898.36 : x
  2. Step 2: Convert to fraction form
    157,081.72/235,630.14 = 51,898.36/x
  3. Step 3: Cross multiply
    157,081.72x = 235,630.14 × 51,898.36
  4. Step 4: Simplify right side
    157,081.72x = 12,228,817,832.57
  5. Step 5: Solve for x
    x = 12,228,817,832.57/157,081.72
  6. Step 6: Final answer
    x = 77,850.04

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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.