Home / 482,180.16-723,214.56-127,222.56

Finding the Fourth Proportional to 482,180.16, 723,214.56 and 127,222.56

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Solution

The fourth proportional to 482,180.16, 723,214.56 and 127,222.56 is: 190,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,180.16 : 723,214.56 = 127,222.56 : x
  2. Step 2: Convert to fraction form
    482,180.16/723,214.56 = 127,222.56/x
  3. Step 3: Cross multiply
    482,180.16x = 723,214.56 × 127,222.56
  4. Step 4: Simplify right side
    482,180.16x = 92,009,207,752.47
  5. Step 5: Solve for x
    x = 92,009,207,752.47/482,180.16
  6. Step 6: Final answer
    x = 190,819.15

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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.