Home / 127,715.11-176,219.88-73,996.85

Finding the Fourth Proportional to 127,715.11, 176,219.88 and 73,996.85

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Solution

The fourth proportional to 127,715.11, 176,219.88 and 73,996.85 is: 102,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.11 : 176,219.88 = 73,996.85 : x
  2. Step 2: Convert to fraction form
    127,715.11/176,219.88 = 73,996.85/x
  3. Step 3: Cross multiply
    127,715.11x = 176,219.88 × 73,996.85
  4. Step 4: Simplify right side
    127,715.11x = 13,039,716,027.38
  5. Step 5: Solve for x
    x = 13,039,716,027.38/127,715.11
  6. Step 6: Final answer
    x = 102,100.03

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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.