Home / 127,995.19-176,633.46-71,406.56

Finding the Fourth Proportional to 127,995.19, 176,633.46 and 71,406.56

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Solution

The fourth proportional to 127,995.19, 176,633.46 and 71,406.56 is: 98,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,995.19 : 176,633.46 = 71,406.56 : x
  2. Step 2: Convert to fraction form
    127,995.19/176,633.46 = 71,406.56/x
  3. Step 3: Cross multiply
    127,995.19x = 176,633.46 × 71,406.56
  4. Step 4: Simplify right side
    127,995.19x = 12,612,788,201.08
  5. Step 5: Solve for x
    x = 12,612,788,201.08/127,995.19
  6. Step 6: Final answer
    x = 98,541.11

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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.