Home / 157,051.12-216,744.59-92,520.95

Finding the Fourth Proportional to 157,051.12, 216,744.59 and 92,520.95

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Solution

The fourth proportional to 157,051.12, 216,744.59 and 92,520.95 is: 127,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,051.12 : 216,744.59 = 92,520.95 : x
  2. Step 2: Convert to fraction form
    157,051.12/216,744.59 = 92,520.95/x
  3. Step 3: Cross multiply
    157,051.12x = 216,744.59 × 92,520.95
  4. Step 4: Simplify right side
    157,051.12x = 20,053,414,911.56
  5. Step 5: Solve for x
    x = 20,053,414,911.56/157,051.12
  6. Step 6: Final answer
    x = 127,687.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.