Home / 311,962.40-467,713.20-124,877.60

Finding the Fourth Proportional to 311,962.40, 467,713.20 and 124,877.60

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Solution

The fourth proportional to 311,962.40, 467,713.20 and 124,877.60 is: 187,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,962.40 : 467,713.20 = 124,877.60 : x
  2. Step 2: Convert to fraction form
    311,962.40/467,713.20 = 124,877.60/x
  3. Step 3: Cross multiply
    311,962.40x = 467,713.20 × 124,877.60
  4. Step 4: Simplify right side
    311,962.40x = 58,406,901,904.32
  5. Step 5: Solve for x
    x = 58,406,901,904.32/311,962.40
  6. Step 6: Final answer
    x = 187,224.17

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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.