Home / 127,517.09-176,020.95-109,539.95

Finding the Fourth Proportional to 127,517.09, 176,020.95 and 109,539.95

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Solution

The fourth proportional to 127,517.09, 176,020.95 and 109,539.95 is: 151,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,517.09 : 176,020.95 = 109,539.95 : x
  2. Step 2: Convert to fraction form
    127,517.09/176,020.95 = 109,539.95/x
  3. Step 3: Cross multiply
    127,517.09x = 176,020.95 × 109,539.95
  4. Step 4: Simplify right side
    127,517.09x = 19,281,325,181.85
  5. Step 5: Solve for x
    x = 19,281,325,181.85/127,517.09
  6. Step 6: Final answer
    x = 151,205.82

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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.