Home / 461,286.12-691,877.70-124,360.32

Finding the Fourth Proportional to 461,286.12, 691,877.70 and 124,360.32

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Solution

The fourth proportional to 461,286.12, 691,877.70 and 124,360.32 is: 186,526.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,286.12 : 691,877.70 = 124,360.32 : x
  2. Step 2: Convert to fraction form
    461,286.12/691,877.70 = 124,360.32/x
  3. Step 3: Cross multiply
    461,286.12x = 691,877.70 × 124,360.32
  4. Step 4: Simplify right side
    461,286.12x = 86,042,132,172.86
  5. Step 5: Solve for x
    x = 86,042,132,172.86/461,286.12
  6. Step 6: Final answer
    x = 186,526.60

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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.