Home / 452,921.40-679,383.72-137,381.04

Finding the Fourth Proportional to 452,921.40, 679,383.72 and 137,381.04

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Solution

The fourth proportional to 452,921.40, 679,383.72 and 137,381.04 is: 206,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,921.40 : 679,383.72 = 137,381.04 : x
  2. Step 2: Convert to fraction form
    452,921.40/679,383.72 = 137,381.04/x
  3. Step 3: Cross multiply
    452,921.40x = 679,383.72 × 137,381.04
  4. Step 4: Simplify right side
    452,921.40x = 93,334,442,012.67
  5. Step 5: Solve for x
    x = 93,334,442,012.67/452,921.40
  6. Step 6: Final answer
    x = 206,072.05

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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.