Home / 125,964.18-188,943.12-51,064.29

Finding the Fourth Proportional to 125,964.18, 188,943.12 and 51,064.29

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Solution

The fourth proportional to 125,964.18, 188,943.12 and 51,064.29 is: 76,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964.18 : 188,943.12 = 51,064.29 : x
  2. Step 2: Convert to fraction form
    125,964.18/188,943.12 = 51,064.29/x
  3. Step 3: Cross multiply
    125,964.18x = 188,943.12 × 51,064.29
  4. Step 4: Simplify right side
    125,964.18x = 9,648,246,273.18
  5. Step 5: Solve for x
    x = 9,648,246,273.18/125,964.18
  6. Step 6: Final answer
    x = 76,595.16

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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.