Home / 127,713.11-176,217.12-73,994.85

Finding the Fourth Proportional to 127,713.11, 176,217.12 and 73,994.85

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Solution

The fourth proportional to 127,713.11, 176,217.12 and 73,994.85 is: 102,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,713.11 : 176,217.12 = 73,994.85 : x
  2. Step 2: Convert to fraction form
    127,713.11/176,217.12 = 73,994.85/x
  3. Step 3: Cross multiply
    127,713.11x = 176,217.12 × 73,994.85
  4. Step 4: Simplify right side
    127,713.11x = 13,039,159,361.83
  5. Step 5: Solve for x
    x = 13,039,159,361.83/127,713.11
  6. Step 6: Final answer
    x = 102,097.27

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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.