Home / 127,104.33-175,398.03-69,742.36

Finding the Fourth Proportional to 127,104.33, 175,398.03 and 69,742.36

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Solution

The fourth proportional to 127,104.33, 175,398.03 and 69,742.36 is: 96,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.33 : 175,398.03 = 69,742.36 : x
  2. Step 2: Convert to fraction form
    127,104.33/175,398.03 = 69,742.36/x
  3. Step 3: Cross multiply
    127,104.33x = 175,398.03 × 69,742.36
  4. Step 4: Simplify right side
    127,104.33x = 12,232,672,113.06
  5. Step 5: Solve for x
    x = 12,232,672,113.06/127,104.33
  6. Step 6: Final answer
    x = 96,241.19

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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.