Home / 109,327.42-163,926.33-38,215.90

Finding the Fourth Proportional to 109,327.42, 163,926.33 and 38,215.90

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Solution

The fourth proportional to 109,327.42, 163,926.33 and 38,215.90 is: 57,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,327.42 : 163,926.33 = 38,215.90 : x
  2. Step 2: Convert to fraction form
    109,327.42/163,926.33 = 38,215.90/x
  3. Step 3: Cross multiply
    109,327.42x = 163,926.33 × 38,215.90
  4. Step 4: Simplify right side
    109,327.42x = 6,264,592,234.65
  5. Step 5: Solve for x
    x = 6,264,592,234.65/109,327.42
  6. Step 6: Final answer
    x = 57,301.20

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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.