Home / 127,691.47-176,134.39-91,824.67

Finding the Fourth Proportional to 127,691.47, 176,134.39 and 91,824.67

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Solution

The fourth proportional to 127,691.47, 176,134.39 and 91,824.67 is: 126,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,691.47 : 176,134.39 = 91,824.67 : x
  2. Step 2: Convert to fraction form
    127,691.47/176,134.39 = 91,824.67/x
  3. Step 3: Cross multiply
    127,691.47x = 176,134.39 × 91,824.67
  4. Step 4: Simplify right side
    127,691.47x = 16,173,482,237.40
  5. Step 5: Solve for x
    x = 16,173,482,237.40/127,691.47
  6. Step 6: Final answer
    x = 126,660.63

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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.