Home / 453,146.40-679,675.59-137,606.04

Finding the Fourth Proportional to 453,146.40, 679,675.59 and 137,606.04

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Solution

The fourth proportional to 453,146.40, 679,675.59 and 137,606.04 is: 206,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,146.40 : 679,675.59 = 137,606.04 : x
  2. Step 2: Convert to fraction form
    453,146.40/679,675.59 = 137,606.04/x
  3. Step 3: Cross multiply
    453,146.40x = 679,675.59 × 137,606.04
  4. Step 4: Simplify right side
    453,146.40x = 93,527,466,424.56
  5. Step 5: Solve for x
    x = 93,527,466,424.56/453,146.40
  6. Step 6: Final answer
    x = 206,395.70

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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.