Home / 148,718.72-223,089.77-42,100.95

Finding the Fourth Proportional to 148,718.72, 223,089.77 and 42,100.95

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Solution

The fourth proportional to 148,718.72, 223,089.77 and 42,100.95 is: 63,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,718.72 : 223,089.77 = 42,100.95 : x
  2. Step 2: Convert to fraction form
    148,718.72/223,089.77 = 42,100.95/x
  3. Step 3: Cross multiply
    148,718.72x = 223,089.77 × 42,100.95
  4. Step 4: Simplify right side
    148,718.72x = 9,392,291,357.53
  5. Step 5: Solve for x
    x = 9,392,291,357.53/148,718.72
  6. Step 6: Final answer
    x = 63,154.73

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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.