Home / 127,225.10-175,563.78-70,632.84

Finding the Fourth Proportional to 127,225.10, 175,563.78 and 70,632.84

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Solution

The fourth proportional to 127,225.10, 175,563.78 and 70,632.84 is: 97,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,225.10 : 175,563.78 = 70,632.84 : x
  2. Step 2: Convert to fraction form
    127,225.10/175,563.78 = 70,632.84/x
  3. Step 3: Cross multiply
    127,225.10x = 175,563.78 × 70,632.84
  4. Step 4: Simplify right side
    127,225.10x = 12,400,568,382.54
  5. Step 5: Solve for x
    x = 12,400,568,382.54/127,225.10
  6. Step 6: Final answer
    x = 97,469.51

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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.