Home / 142,867.80-214,286.66-58,636.86

Finding the Fourth Proportional to 142,867.80, 214,286.66 and 58,636.86

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Solution

The fourth proportional to 142,867.80, 214,286.66 and 58,636.86 is: 87,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.80 : 214,286.66 = 58,636.86 : x
  2. Step 2: Convert to fraction form
    142,867.80/214,286.66 = 58,636.86/x
  3. Step 3: Cross multiply
    142,867.80x = 214,286.66 × 58,636.86
  4. Step 4: Simplify right side
    142,867.80x = 12,565,095,517.67
  5. Step 5: Solve for x
    x = 12,565,095,517.67/142,867.80
  6. Step 6: Final answer
    x = 87,949.11

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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.