Home / 134,609.96-185,752.86-80,863.16

Finding the Fourth Proportional to 134,609.96, 185,752.86 and 80,863.16

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Solution

The fourth proportional to 134,609.96, 185,752.86 and 80,863.16 is: 111,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,609.96 : 185,752.86 = 80,863.16 : x
  2. Step 2: Convert to fraction form
    134,609.96/185,752.86 = 80,863.16/x
  3. Step 3: Cross multiply
    134,609.96x = 185,752.86 × 80,863.16
  4. Step 4: Simplify right side
    134,609.96x = 15,020,563,238.64
  5. Step 5: Solve for x
    x = 15,020,563,238.64/134,609.96
  6. Step 6: Final answer
    x = 111,585.82

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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.