Home / 149,839.20-224,758.80-83,247.48

Finding the Fourth Proportional to 149,839.20, 224,758.80 and 83,247.48

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Solution

The fourth proportional to 149,839.20, 224,758.80 and 83,247.48 is: 124,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,839.20 : 224,758.80 = 83,247.48 : x
  2. Step 2: Convert to fraction form
    149,839.20/224,758.80 = 83,247.48/x
  3. Step 3: Cross multiply
    149,839.20x = 224,758.80 × 83,247.48
  4. Step 4: Simplify right side
    149,839.20x = 18,710,603,707.82
  5. Step 5: Solve for x
    x = 18,710,603,707.82/149,839.20
  6. Step 6: Final answer
    x = 124,871.22

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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.