Home / 461,013.12-691,040.16-194,551.20

Finding the Fourth Proportional to 461,013.12, 691,040.16 and 194,551.20

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Solution

The fourth proportional to 461,013.12, 691,040.16 and 194,551.20 is: 291,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,013.12 : 691,040.16 = 194,551.20 : x
  2. Step 2: Convert to fraction form
    461,013.12/691,040.16 = 194,551.20/x
  3. Step 3: Cross multiply
    461,013.12x = 691,040.16 × 194,551.20
  4. Step 4: Simplify right side
    461,013.12x = 134,442,692,376.19
  5. Step 5: Solve for x
    x = 134,442,692,376.19/461,013.12
  6. Step 6: Final answer
    x = 291,624.44

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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.