Home / 148,400.83-205,064.70-108,044.53

Finding the Fourth Proportional to 148,400.83, 205,064.70 and 108,044.53

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Solution

The fourth proportional to 148,400.83, 205,064.70 and 108,044.53 is: 149,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,400.83 : 205,064.70 = 108,044.53 : x
  2. Step 2: Convert to fraction form
    148,400.83/205,064.70 = 108,044.53/x
  3. Step 3: Cross multiply
    148,400.83x = 205,064.70 × 108,044.53
  4. Step 4: Simplify right side
    148,400.83x = 22,156,119,131.09
  5. Step 5: Solve for x
    x = 22,156,119,131.09/148,400.83
  6. Step 6: Final answer
    x = 149,299.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.