Home / 127,177.15-190,805.82-79,825.18

Finding the Fourth Proportional to 127,177.15, 190,805.82 and 79,825.18

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Solution

The fourth proportional to 127,177.15, 190,805.82 and 79,825.18 is: 119,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,177.15 : 190,805.82 = 79,825.18 : x
  2. Step 2: Convert to fraction form
    127,177.15/190,805.82 = 79,825.18/x
  3. Step 3: Cross multiply
    127,177.15x = 190,805.82 × 79,825.18
  4. Step 4: Simplify right side
    127,177.15x = 15,231,108,926.55
  5. Step 5: Solve for x
    x = 15,231,108,926.55/127,177.15
  6. Step 6: Final answer
    x = 119,762.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.