Home / 215,558.24-297,470.43-124,966.72

Finding the Fourth Proportional to 215,558.24, 297,470.43 and 124,966.72

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Solution

The fourth proportional to 215,558.24, 297,470.43 and 124,966.72 is: 172,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,558.24 : 297,470.43 = 124,966.72 : x
  2. Step 2: Convert to fraction form
    215,558.24/297,470.43 = 124,966.72/x
  3. Step 3: Cross multiply
    215,558.24x = 297,470.43 × 124,966.72
  4. Step 4: Simplify right side
    215,558.24x = 37,173,903,934.09
  5. Step 5: Solve for x
    x = 37,173,903,934.09/215,558.24
  6. Step 6: Final answer
    x = 172,454.11

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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.