Home / 121,576.44-167,774.22-71,265.72

Finding the Fourth Proportional to 121,576.44, 167,774.22 and 71,265.72

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Solution

The fourth proportional to 121,576.44, 167,774.22 and 71,265.72 is: 98,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,576.44 : 167,774.22 = 71,265.72 : x
  2. Step 2: Convert to fraction form
    121,576.44/167,774.22 = 71,265.72/x
  3. Step 3: Cross multiply
    121,576.44x = 167,774.22 × 71,265.72
  4. Step 4: Simplify right side
    121,576.44x = 11,956,550,585.74
  5. Step 5: Solve for x
    x = 11,956,550,585.74/121,576.44
  6. Step 6: Final answer
    x = 98,345.95

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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.