Home / 215,267.07-322,926.53-71,177.79

Finding the Fourth Proportional to 215,267.07, 322,926.53 and 71,177.79

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Solution

The fourth proportional to 215,267.07, 322,926.53 and 71,177.79 is: 106,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,267.07 : 322,926.53 = 71,177.79 : x
  2. Step 2: Convert to fraction form
    215,267.07/322,926.53 = 71,177.79/x
  3. Step 3: Cross multiply
    215,267.07x = 322,926.53 × 71,177.79
  4. Step 4: Simplify right side
    215,267.07x = 22,985,196,737.77
  5. Step 5: Solve for x
    x = 22,985,196,737.77/215,267.07
  6. Step 6: Final answer
    x = 106,775.26

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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.