Home / 126,886.28-175,100.75-75,238.14

Finding the Fourth Proportional to 126,886.28, 175,100.75 and 75,238.14

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Solution

The fourth proportional to 126,886.28, 175,100.75 and 75,238.14 is: 103,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,886.28 : 175,100.75 = 75,238.14 : x
  2. Step 2: Convert to fraction form
    126,886.28/175,100.75 = 75,238.14/x
  3. Step 3: Cross multiply
    126,886.28x = 175,100.75 × 75,238.14
  4. Step 4: Simplify right side
    126,886.28x = 13,174,254,284.42
  5. Step 5: Solve for x
    x = 13,174,254,284.42/126,886.28
  6. Step 6: Final answer
    x = 103,827.26

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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.