Home / 527,427.77-791,141.66-128,065.85

Finding the Fourth Proportional to 527,427.77, 791,141.66 and 128,065.85

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Solution

The fourth proportional to 527,427.77, 791,141.66 and 128,065.85 is: 192,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,427.77 : 791,141.66 = 128,065.85 : x
  2. Step 2: Convert to fraction form
    527,427.77/791,141.66 = 128,065.85/x
  3. Step 3: Cross multiply
    527,427.77x = 791,141.66 × 128,065.85
  4. Step 4: Simplify right side
    527,427.77x = 101,318,224,562.27
  5. Step 5: Solve for x
    x = 101,318,224,562.27/527,427.77
  6. Step 6: Final answer
    x = 192,098.77

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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.