Home / 123,427.08-185,000.70-52,305.46

Finding the Fourth Proportional to 123,427.08, 185,000.70 and 52,305.46

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Solution

The fourth proportional to 123,427.08, 185,000.70 and 52,305.46 is: 78,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,427.08 : 185,000.70 = 52,305.46 : x
  2. Step 2: Convert to fraction form
    123,427.08/185,000.70 = 52,305.46/x
  3. Step 3: Cross multiply
    123,427.08x = 185,000.70 × 52,305.46
  4. Step 4: Simplify right side
    123,427.08x = 9,676,546,713.82
  5. Step 5: Solve for x
    x = 9,676,546,713.82/123,427.08
  6. Step 6: Final answer
    x = 78,398.90

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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.