Home / 148,768.95-223,153.38-43,587.89

Finding the Fourth Proportional to 148,768.95, 223,153.38 and 43,587.89

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Solution

The fourth proportional to 148,768.95, 223,153.38 and 43,587.89 is: 65,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,768.95 : 223,153.38 = 43,587.89 : x
  2. Step 2: Convert to fraction form
    148,768.95/223,153.38 = 43,587.89/x
  3. Step 3: Cross multiply
    148,768.95x = 223,153.38 × 43,587.89
  4. Step 4: Simplify right side
    148,768.95x = 9,726,783,864.80
  5. Step 5: Solve for x
    x = 9,726,783,864.80/148,768.95
  6. Step 6: Final answer
    x = 65,381.81

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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.