Home / 229,408.52-316,592.64-127,441.72

Finding the Fourth Proportional to 229,408.52, 316,592.64 and 127,441.72

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Solution

The fourth proportional to 229,408.52, 316,592.64 and 127,441.72 is: 175,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,408.52 : 316,592.64 = 127,441.72 : x
  2. Step 2: Convert to fraction form
    229,408.52/316,592.64 = 127,441.72/x
  3. Step 3: Cross multiply
    229,408.52x = 316,592.64 × 127,441.72
  4. Step 4: Simplify right side
    229,408.52x = 40,347,109,470.85
  5. Step 5: Solve for x
    x = 40,347,109,470.85/229,408.52
  6. Step 6: Final answer
    x = 175,874.51

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1.5x scale

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.