Home / 157,440.60-236,233.80-82,645.20

Finding the Fourth Proportional to 157,440.60, 236,233.80 and 82,645.20

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Solution

The fourth proportional to 157,440.60, 236,233.80 and 82,645.20 is: 124,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440.60 : 236,233.80 = 82,645.20 : x
  2. Step 2: Convert to fraction form
    157,440.60/236,233.80 = 82,645.20/x
  3. Step 3: Cross multiply
    157,440.60x = 236,233.80 × 82,645.20
  4. Step 4: Simplify right side
    157,440.60x = 19,523,589,647.76
  5. Step 5: Solve for x
    x = 19,523,589,647.76/157,440.60
  6. Step 6: Final answer
    x = 124,006.07

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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.