Home / 121,320.48-182,082.96-51,250.08

Finding the Fourth Proportional to 121,320.48, 182,082.96 and 51,250.08

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Solution

The fourth proportional to 121,320.48, 182,082.96 and 51,250.08 is: 76,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320.48 : 182,082.96 = 51,250.08 : x
  2. Step 2: Convert to fraction form
    121,320.48/182,082.96 = 51,250.08/x
  3. Step 3: Cross multiply
    121,320.48x = 182,082.96 × 51,250.08
  4. Step 4: Simplify right side
    121,320.48x = 9,331,766,266.64
  5. Step 5: Solve for x
    x = 9,331,766,266.64/121,320.48
  6. Step 6: Final answer
    x = 76,918.31

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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.