Home / 127,690.98-176,133.68-91,824.18

Finding the Fourth Proportional to 127,690.98, 176,133.68 and 91,824.18

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Solution

The fourth proportional to 127,690.98, 176,133.68 and 91,824.18 is: 126,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,690.98 : 176,133.68 = 91,824.18 : x
  2. Step 2: Convert to fraction form
    127,690.98/176,133.68 = 91,824.18/x
  3. Step 3: Cross multiply
    127,690.98x = 176,133.68 × 91,824.18
  4. Step 4: Simplify right side
    127,690.98x = 16,173,330,736.38
  5. Step 5: Solve for x
    x = 16,173,330,736.38/127,690.98
  6. Step 6: Final answer
    x = 126,659.93

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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.