Home / 127,722.27-176,262.21-71,133.66

Finding the Fourth Proportional to 127,722.27, 176,262.21 and 71,133.66

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Solution

The fourth proportional to 127,722.27, 176,262.21 and 71,133.66 is: 98,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.27 : 176,262.21 = 71,133.66 : x
  2. Step 2: Convert to fraction form
    127,722.27/176,262.21 = 71,133.66/x
  3. Step 3: Cross multiply
    127,722.27x = 176,262.21 × 71,133.66
  4. Step 4: Simplify right side
    127,722.27x = 12,538,176,116.99
  5. Step 5: Solve for x
    x = 12,538,176,116.99/127,722.27
  6. Step 6: Final answer
    x = 98,167.50

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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.