Home / 127,299.17-175,527.92-81,296.84

Finding the Fourth Proportional to 127,299.17, 175,527.92 and 81,296.84

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Solution

The fourth proportional to 127,299.17, 175,527.92 and 81,296.84 is: 112,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.17 : 175,527.92 = 81,296.84 : x
  2. Step 2: Convert to fraction form
    127,299.17/175,527.92 = 81,296.84/x
  3. Step 3: Cross multiply
    127,299.17x = 175,527.92 × 81,296.84
  4. Step 4: Simplify right side
    127,299.17x = 14,269,863,943.65
  5. Step 5: Solve for x
    x = 14,269,863,943.65/127,299.17
  6. Step 6: Final answer
    x = 112,097.07

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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.