Home / 125,345.20-188,082.42-83,254.41

Finding the Fourth Proportional to 125,345.20, 188,082.42 and 83,254.41

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Solution

The fourth proportional to 125,345.20, 188,082.42 and 83,254.41 is: 124,924.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,345.20 : 188,082.42 = 83,254.41 : x
  2. Step 2: Convert to fraction form
    125,345.20/188,082.42 = 83,254.41/x
  3. Step 3: Cross multiply
    125,345.20x = 188,082.42 × 83,254.41
  4. Step 4: Simplify right side
    125,345.20x = 15,658,690,908.47
  5. Step 5: Solve for x
    x = 15,658,690,908.47/125,345.20
  6. Step 6: Final answer
    x = 124,924.54

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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.