Home / 123,399.76-185,076.28-60,156.36

Finding the Fourth Proportional to 123,399.76, 185,076.28 and 60,156.36

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Solution

The fourth proportional to 123,399.76, 185,076.28 and 60,156.36 is: 90,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,399.76 : 185,076.28 = 60,156.36 : x
  2. Step 2: Convert to fraction form
    123,399.76/185,076.28 = 60,156.36/x
  3. Step 3: Cross multiply
    123,399.76x = 185,076.28 × 60,156.36
  4. Step 4: Simplify right side
    123,399.76x = 11,133,515,327.14
  5. Step 5: Solve for x
    x = 11,133,515,327.14/123,399.76
  6. Step 6: Final answer
    x = 90,223.15

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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.