Home / 127,635.75-176,143.41-71,047.13

Finding the Fourth Proportional to 127,635.75, 176,143.41 and 71,047.13

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Solution

The fourth proportional to 127,635.75, 176,143.41 and 71,047.13 is: 98,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.75 : 176,143.41 = 71,047.13 : x
  2. Step 2: Convert to fraction form
    127,635.75/176,143.41 = 71,047.13/x
  3. Step 3: Cross multiply
    127,635.75x = 176,143.41 × 71,047.13
  4. Step 4: Simplify right side
    127,635.75x = 12,514,482,868.20
  5. Step 5: Solve for x
    x = 12,514,482,868.20/127,635.75
  6. Step 6: Final answer
    x = 98,048.41

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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.