Home / 215,266.07-322,925.03-71,176.79

Finding the Fourth Proportional to 215,266.07, 322,925.03 and 71,176.79

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Solution

The fourth proportional to 215,266.07, 322,925.03 and 71,176.79 is: 106,773.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,266.07 : 322,925.03 = 71,176.79 : x
  2. Step 2: Convert to fraction form
    215,266.07/322,925.03 = 71,176.79/x
  3. Step 3: Cross multiply
    215,266.07x = 322,925.03 × 71,176.79
  4. Step 4: Simplify right side
    215,266.07x = 22,984,766,690.17
  5. Step 5: Solve for x
    x = 22,984,766,690.17/215,266.07
  6. Step 6: Final answer
    x = 106,773.76

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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.