Home / 229,601.55-316,853.92-126,240.11

Finding the Fourth Proportional to 229,601.55, 316,853.92 and 126,240.11

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Solution

The fourth proportional to 229,601.55, 316,853.92 and 126,240.11 is: 174,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,601.55 : 316,853.92 = 126,240.11 : x
  2. Step 2: Convert to fraction form
    229,601.55/316,853.92 = 126,240.11/x
  3. Step 3: Cross multiply
    229,601.55x = 316,853.92 × 126,240.11
  4. Step 4: Simplify right side
    229,601.55x = 39,999,673,713.16
  5. Step 5: Solve for x
    x = 39,999,673,713.16/229,601.55
  6. Step 6: Final answer
    x = 174,213.43

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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.