Home / 127,215.14-175,561.76-69,859.24

Finding the Fourth Proportional to 127,215.14, 175,561.76 and 69,859.24

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Solution

The fourth proportional to 127,215.14, 175,561.76 and 69,859.24 is: 96,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,215.14 : 175,561.76 = 69,859.24 : x
  2. Step 2: Convert to fraction form
    127,215.14/175,561.76 = 69,859.24/x
  3. Step 3: Cross multiply
    127,215.14x = 175,561.76 × 69,859.24
  4. Step 4: Simplify right side
    127,215.14x = 12,264,611,126.66
  5. Step 5: Solve for x
    x = 12,264,611,126.66/127,215.14
  6. Step 6: Final answer
    x = 96,408.42

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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.