Home / 127,617.75-176,109.38-70,256.61

Finding the Fourth Proportional to 127,617.75, 176,109.38 and 70,256.61

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Solution

The fourth proportional to 127,617.75, 176,109.38 and 70,256.61 is: 96,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.75 : 176,109.38 = 70,256.61 : x
  2. Step 2: Convert to fraction form
    127,617.75/176,109.38 = 70,256.61/x
  3. Step 3: Cross multiply
    127,617.75x = 176,109.38 × 70,256.61
  4. Step 4: Simplify right side
    127,617.75x = 12,372,847,676.72
  5. Step 5: Solve for x
    x = 12,372,847,676.72/127,617.75
  6. Step 6: Final answer
    x = 96,952.40

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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.