Home / 123,392.89-185,052.56-52,314.39

Finding the Fourth Proportional to 123,392.89, 185,052.56 and 52,314.39

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Solution

The fourth proportional to 123,392.89, 185,052.56 and 52,314.39 is: 78,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,392.89 : 185,052.56 = 52,314.39 : x
  2. Step 2: Convert to fraction form
    123,392.89/185,052.56 = 52,314.39/x
  3. Step 3: Cross multiply
    123,392.89x = 185,052.56 × 52,314.39
  4. Step 4: Simplify right side
    123,392.89x = 9,680,912,681.29
  5. Step 5: Solve for x
    x = 9,680,912,681.29/123,392.89
  6. Step 6: Final answer
    x = 78,456.00

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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.