Home / 127,722.73-176,257.37-71,134.10

Finding the Fourth Proportional to 127,722.73, 176,257.37 and 71,134.10

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Solution

The fourth proportional to 127,722.73, 176,257.37 and 71,134.10 is: 98,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.73 : 176,257.37 = 71,134.10 : x
  2. Step 2: Convert to fraction form
    127,722.73/176,257.37 = 71,134.10/x
  3. Step 3: Cross multiply
    127,722.73x = 176,257.37 × 71,134.10
  4. Step 4: Simplify right side
    127,722.73x = 12,537,909,383.32
  5. Step 5: Solve for x
    x = 12,537,909,383.32/127,722.73
  6. Step 6: Final answer
    x = 98,165.06

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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.