Home / 215,531.08-297,433.22-124,904.43

Finding the Fourth Proportional to 215,531.08, 297,433.22 and 124,904.43

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Solution

The fourth proportional to 215,531.08, 297,433.22 and 124,904.43 is: 172,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,531.08 : 297,433.22 = 124,904.43 : x
  2. Step 2: Convert to fraction form
    215,531.08/297,433.22 = 124,904.43/x
  3. Step 3: Cross multiply
    215,531.08x = 297,433.22 × 124,904.43
  4. Step 4: Simplify right side
    215,531.08x = 37,150,726,182.64
  5. Step 5: Solve for x
    x = 37,150,726,182.64/215,531.08
  6. Step 6: Final answer
    x = 172,368.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.