Home / 127,751.09-176,317.49-71,180.69

Finding the Fourth Proportional to 127,751.09, 176,317.49 and 71,180.69

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Solution

The fourth proportional to 127,751.09, 176,317.49 and 71,180.69 is: 98,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,751.09 : 176,317.49 = 71,180.69 : x
  2. Step 2: Convert to fraction form
    127,751.09/176,317.49 = 71,180.69/x
  3. Step 3: Cross multiply
    127,751.09x = 176,317.49 × 71,180.69
  4. Step 4: Simplify right side
    127,751.09x = 12,550,399,893.63
  5. Step 5: Solve for x
    x = 12,550,399,893.63/127,751.09
  6. Step 6: Final answer
    x = 98,241.04

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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.