Home / 127,919.25-176,532.21-71,334.27

Finding the Fourth Proportional to 127,919.25, 176,532.21 and 71,334.27

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Solution

The fourth proportional to 127,919.25, 176,532.21 and 71,334.27 is: 98,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,919.25 : 176,532.21 = 71,334.27 : x
  2. Step 2: Convert to fraction form
    127,919.25/176,532.21 = 71,334.27/x
  3. Step 3: Cross multiply
    127,919.25x = 176,532.21 × 71,334.27
  4. Step 4: Simplify right side
    127,919.25x = 12,592,796,331.84
  5. Step 5: Solve for x
    x = 12,592,796,331.84/127,919.25
  6. Step 6: Final answer
    x = 98,443.33

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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.