Home / 127,082.50-175,378.17-82,448.26

Finding the Fourth Proportional to 127,082.50, 175,378.17 and 82,448.26

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Solution

The fourth proportional to 127,082.50, 175,378.17 and 82,448.26 is: 113,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,082.50 : 175,378.17 = 82,448.26 : x
  2. Step 2: Convert to fraction form
    127,082.50/175,378.17 = 82,448.26/x
  3. Step 3: Cross multiply
    127,082.50x = 175,378.17 × 82,448.26
  4. Step 4: Simplify right side
    127,082.50x = 14,459,624,958.48
  5. Step 5: Solve for x
    x = 14,459,624,958.48/127,082.50
  6. Step 6: Final answer
    x = 113,781.40

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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.