Home / 185,474.25-278,210.94-121,834.11

Finding the Fourth Proportional to 185,474.25, 278,210.94 and 121,834.11

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Solution

The fourth proportional to 185,474.25, 278,210.94 and 121,834.11 is: 182,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,474.25 : 278,210.94 = 121,834.11 : x
  2. Step 2: Convert to fraction form
    185,474.25/278,210.94 = 121,834.11/x
  3. Step 3: Cross multiply
    185,474.25x = 278,210.94 × 121,834.11
  4. Step 4: Simplify right side
    185,474.25x = 33,895,582,267.16
  5. Step 5: Solve for x
    x = 33,895,582,267.16/185,474.25
  6. Step 6: Final answer
    x = 182,750.88

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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.