Home / 126,092.13-173,908.69-80,774.32

Finding the Fourth Proportional to 126,092.13, 173,908.69 and 80,774.32

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Solution

The fourth proportional to 126,092.13, 173,908.69 and 80,774.32 is: 111,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,092.13 : 173,908.69 = 80,774.32 : x
  2. Step 2: Convert to fraction form
    126,092.13/173,908.69 = 80,774.32/x
  3. Step 3: Cross multiply
    126,092.13x = 173,908.69 × 80,774.32
  4. Step 4: Simplify right side
    126,092.13x = 14,047,356,176.84
  5. Step 5: Solve for x
    x = 14,047,356,176.84/126,092.13
  6. Step 6: Final answer
    x = 111,405.50

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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.