Home / 127,986.06-176,620.23-71,397.48

Finding the Fourth Proportional to 127,986.06, 176,620.23 and 71,397.48

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Solution

The fourth proportional to 127,986.06, 176,620.23 and 71,397.48 is: 98,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,986.06 : 176,620.23 = 71,397.48 : x
  2. Step 2: Convert to fraction form
    127,986.06/176,620.23 = 71,397.48/x
  3. Step 3: Cross multiply
    127,986.06x = 176,620.23 × 71,397.48
  4. Step 4: Simplify right side
    127,986.06x = 12,610,239,339.02
  5. Step 5: Solve for x
    x = 12,610,239,339.02/127,986.06
  6. Step 6: Final answer
    x = 98,528.23

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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.