Home / 127,707.63-176,223.92-71,124.27

Finding the Fourth Proportional to 127,707.63, 176,223.92 and 71,124.27

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Solution

The fourth proportional to 127,707.63, 176,223.92 and 71,124.27 is: 98,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.63 : 176,223.92 = 71,124.27 : x
  2. Step 2: Convert to fraction form
    127,707.63/176,223.92 = 71,124.27/x
  3. Step 3: Cross multiply
    127,707.63x = 176,223.92 × 71,124.27
  4. Step 4: Simplify right side
    127,707.63x = 12,533,797,310.92
  5. Step 5: Solve for x
    x = 12,533,797,310.92/127,707.63
  6. Step 6: Final answer
    x = 98,144.47

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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.