Home / 157,517.40-236,276.10-57,680.85

Finding the Fourth Proportional to 157,517.40, 236,276.10 and 57,680.85

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Solution

The fourth proportional to 157,517.40, 236,276.10 and 57,680.85 is: 86,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.40 : 236,276.10 = 57,680.85 : x
  2. Step 2: Convert to fraction form
    157,517.40/236,276.10 = 57,680.85/x
  3. Step 3: Cross multiply
    157,517.40x = 236,276.10 × 57,680.85
  4. Step 4: Simplify right side
    157,517.40x = 13,628,606,282.69
  5. Step 5: Solve for x
    x = 13,628,606,282.69/157,517.40
  6. Step 6: Final answer
    x = 86,521.28

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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.