Home / 147,471.17-203,527.52-83,818.53

Finding the Fourth Proportional to 147,471.17, 203,527.52 and 83,818.53

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Solution

The fourth proportional to 147,471.17, 203,527.52 and 83,818.53 is: 115,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,471.17 : 203,527.52 = 83,818.53 : x
  2. Step 2: Convert to fraction form
    147,471.17/203,527.52 = 83,818.53/x
  3. Step 3: Cross multiply
    147,471.17x = 203,527.52 × 83,818.53
  4. Step 4: Simplify right side
    147,471.17x = 17,059,377,436.17
  5. Step 5: Solve for x
    x = 17,059,377,436.17/147,471.17
  6. Step 6: Final answer
    x = 115,679.41

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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.