Home / 135,281.22-202,970.13-60,394.70

Finding the Fourth Proportional to 135,281.22, 202,970.13 and 60,394.70

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Solution

The fourth proportional to 135,281.22, 202,970.13 and 60,394.70 is: 90,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,281.22 : 202,970.13 = 60,394.70 : x
  2. Step 2: Convert to fraction form
    135,281.22/202,970.13 = 60,394.70/x
  3. Step 3: Cross multiply
    135,281.22x = 202,970.13 × 60,394.70
  4. Step 4: Simplify right side
    135,281.22x = 12,258,319,095.46
  5. Step 5: Solve for x
    x = 12,258,319,095.46/135,281.22
  6. Step 6: Final answer
    x = 90,613.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.