Home / 95,984.40-143,976.60-90,800.40

Finding the Fourth Proportional to 95,984.40, 143,976.60 and 90,800.40

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Solution

The fourth proportional to 95,984.40, 143,976.60 and 90,800.40 is: 136,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,984.40 : 143,976.60 = 90,800.40 : x
  2. Step 2: Convert to fraction form
    95,984.40/143,976.60 = 90,800.40/x
  3. Step 3: Cross multiply
    95,984.40x = 143,976.60 × 90,800.40
  4. Step 4: Simplify right side
    95,984.40x = 13,073,132,870.64
  5. Step 5: Solve for x
    x = 13,073,132,870.64/95,984.40
  6. Step 6: Final answer
    x = 136,200.60

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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.