Home / 125,301.16-188,045.16-50,421.92

Finding the Fourth Proportional to 125,301.16, 188,045.16 and 50,421.92

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Solution

The fourth proportional to 125,301.16, 188,045.16 and 50,421.92 is: 75,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301.16 : 188,045.16 = 50,421.92 : x
  2. Step 2: Convert to fraction form
    125,301.16/188,045.16 = 50,421.92/x
  3. Step 3: Cross multiply
    125,301.16x = 188,045.16 × 50,421.92
  4. Step 4: Simplify right side
    125,301.16x = 9,481,598,013.91
  5. Step 5: Solve for x
    x = 9,481,598,013.91/125,301.16
  6. Step 6: Final answer
    x = 75,670.47

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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.