Home / 95,425.60-143,138.40-89,982.40

Finding the Fourth Proportional to 95,425.60, 143,138.40 and 89,982.40

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Solution

The fourth proportional to 95,425.60, 143,138.40 and 89,982.40 is: 134,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,425.60 : 143,138.40 = 89,982.40 : x
  2. Step 2: Convert to fraction form
    95,425.60/143,138.40 = 89,982.40/x
  3. Step 3: Cross multiply
    95,425.60x = 143,138.40 × 89,982.40
  4. Step 4: Simplify right side
    95,425.60x = 12,879,936,764.16
  5. Step 5: Solve for x
    x = 12,879,936,764.16/95,425.60
  6. Step 6: Final answer
    x = 134,973.60

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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.