Home / 453,184.20-679,754.70-153,635.40

Finding the Fourth Proportional to 453,184.20, 679,754.70 and 153,635.40

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Solution

The fourth proportional to 453,184.20, 679,754.70 and 153,635.40 is: 230,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,184.20 : 679,754.70 = 153,635.40 : x
  2. Step 2: Convert to fraction form
    453,184.20/679,754.70 = 153,635.40/x
  3. Step 3: Cross multiply
    453,184.20x = 679,754.70 × 153,635.40
  4. Step 4: Simplify right side
    453,184.20x = 104,434,385,236.38
  5. Step 5: Solve for x
    x = 104,434,385,236.38/453,184.20
  6. Step 6: Final answer
    x = 230,445.78

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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.