Home / 148,387.76-222,582-43,209.28

Finding the Fourth Proportional to 148,387.76, 222,582 and 43,209.28

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Solution

The fourth proportional to 148,387.76, 222,582 and 43,209.28 is: 64,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,387.76 : 222,582 = 43,209.28 : x
  2. Step 2: Convert to fraction form
    148,387.76/222,582 = 43,209.28/x
  3. Step 3: Cross multiply
    148,387.76x = 222,582 × 43,209.28
  4. Step 4: Simplify right side
    148,387.76x = 9,617,607,960.96
  5. Step 5: Solve for x
    x = 9,617,607,960.96/148,387.76
  6. Step 6: Final answer
    x = 64,814.02

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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.