Home / 453,341.80-680,180.10-187,125.40

Finding the Fourth Proportional to 453,341.80, 680,180.10 and 187,125.40

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Solution

The fourth proportional to 453,341.80, 680,180.10 and 187,125.40 is: 280,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,341.80 : 680,180.10 = 187,125.40 : x
  2. Step 2: Convert to fraction form
    453,341.80/680,180.10 = 187,125.40/x
  3. Step 3: Cross multiply
    453,341.80x = 680,180.10 × 187,125.40
  4. Step 4: Simplify right side
    453,341.80x = 127,278,973,284.54
  5. Step 5: Solve for x
    x = 127,278,973,284.54/453,341.80
  6. Step 6: Final answer
    x = 280,757.20

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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.