Home / 482,101.11-723,069.45-127,118.61

Finding the Fourth Proportional to 482,101.11, 723,069.45 and 127,118.61

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Solution

The fourth proportional to 482,101.11, 723,069.45 and 127,118.61 is: 190,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,101.11 : 723,069.45 = 127,118.61 : x
  2. Step 2: Convert to fraction form
    482,101.11/723,069.45 = 127,118.61/x
  3. Step 3: Cross multiply
    482,101.11x = 723,069.45 × 127,118.61
  4. Step 4: Simplify right side
    482,101.11x = 91,915,583,417.46
  5. Step 5: Solve for x
    x = 91,915,583,417.46/482,101.11
  6. Step 6: Final answer
    x = 190,656.24

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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.