Home / 126,206.04-174,140.10-75,908.28

Finding the Fourth Proportional to 126,206.04, 174,140.10 and 75,908.28

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Solution

The fourth proportional to 126,206.04, 174,140.10 and 75,908.28 is: 104,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,206.04 : 174,140.10 = 75,908.28 : x
  2. Step 2: Convert to fraction form
    126,206.04/174,140.10 = 75,908.28/x
  3. Step 3: Cross multiply
    126,206.04x = 174,140.10 × 75,908.28
  4. Step 4: Simplify right side
    126,206.04x = 13,218,675,470.03
  5. Step 5: Solve for x
    x = 13,218,675,470.03/126,206.04
  6. Step 6: Final answer
    x = 104,738.85

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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.