Home / 148,756.50-205,294.91-92,178.81

Finding the Fourth Proportional to 148,756.50, 205,294.91 and 92,178.81

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Solution

The fourth proportional to 148,756.50, 205,294.91 and 92,178.81 is: 127,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,756.50 : 205,294.91 = 92,178.81 : x
  2. Step 2: Convert to fraction form
    148,756.50/205,294.91 = 92,178.81/x
  3. Step 3: Cross multiply
    148,756.50x = 205,294.91 × 92,178.81
  4. Step 4: Simplify right side
    148,756.50x = 18,923,840,041.96
  5. Step 5: Solve for x
    x = 18,923,840,041.96/148,756.50
  6. Step 6: Final answer
    x = 127,213.53

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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.