Home / 146,438.52-219,406.96-79,925.28

Finding the Fourth Proportional to 146,438.52, 219,406.96 and 79,925.28

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Solution

The fourth proportional to 146,438.52, 219,406.96 and 79,925.28 is: 119,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,438.52 : 219,406.96 = 79,925.28 : x
  2. Step 2: Convert to fraction form
    146,438.52/219,406.96 = 79,925.28/x
  3. Step 3: Cross multiply
    146,438.52x = 219,406.96 × 79,925.28
  4. Step 4: Simplify right side
    146,438.52x = 17,536,162,711.95
  5. Step 5: Solve for x
    x = 17,536,162,711.95/146,438.52
  6. Step 6: Final answer
    x = 119,751.02

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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.