Home / 127,242.14-175,670.51-79,560.27

Finding the Fourth Proportional to 127,242.14, 175,670.51 and 79,560.27

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Solution

The fourth proportional to 127,242.14, 175,670.51 and 79,560.27 is: 109,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,242.14 : 175,670.51 = 79,560.27 : x
  2. Step 2: Convert to fraction form
    127,242.14/175,670.51 = 79,560.27/x
  3. Step 3: Cross multiply
    127,242.14x = 175,670.51 × 79,560.27
  4. Step 4: Simplify right side
    127,242.14x = 13,976,392,808.84
  5. Step 5: Solve for x
    x = 13,976,392,808.84/127,242.14
  6. Step 6: Final answer
    x = 109,840.92

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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.