Home / 135,194.32-186,575.16-77,842.16

Finding the Fourth Proportional to 135,194.32, 186,575.16 and 77,842.16

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Solution

The fourth proportional to 135,194.32, 186,575.16 and 77,842.16 is: 107,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,194.32 : 186,575.16 = 77,842.16 : x
  2. Step 2: Convert to fraction form
    135,194.32/186,575.16 = 77,842.16/x
  3. Step 3: Cross multiply
    135,194.32x = 186,575.16 × 77,842.16
  4. Step 4: Simplify right side
    135,194.32x = 14,523,413,456.75
  5. Step 5: Solve for x
    x = 14,523,413,456.75/135,194.32
  6. Step 6: Final answer
    x = 107,426.21

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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.