Home / 123,756.44-185,320.64-103,713.24

Finding the Fourth Proportional to 123,756.44, 185,320.64 and 103,713.24

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Solution

The fourth proportional to 123,756.44, 185,320.64 and 103,713.24 is: 155,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,756.44 : 185,320.64 = 103,713.24 : x
  2. Step 2: Convert to fraction form
    123,756.44/185,320.64 = 103,713.24/x
  3. Step 3: Cross multiply
    123,756.44x = 185,320.64 × 103,713.24
  4. Step 4: Simplify right side
    123,756.44x = 19,220,204,013.27
  5. Step 5: Solve for x
    x = 19,220,204,013.27/123,756.44
  6. Step 6: Final answer
    x = 155,306.70

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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.