Home / 95,980.20-143,968.95-43,389.60

Finding the Fourth Proportional to 95,980.20, 143,968.95 and 43,389.60

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Solution

The fourth proportional to 95,980.20, 143,968.95 and 43,389.60 is: 65,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,980.20 : 143,968.95 = 43,389.60 : x
  2. Step 2: Convert to fraction form
    95,980.20/143,968.95 = 43,389.60/x
  3. Step 3: Cross multiply
    95,980.20x = 143,968.95 × 43,389.60
  4. Step 4: Simplify right side
    95,980.20x = 6,246,755,152.92
  5. Step 5: Solve for x
    x = 6,246,755,152.92/95,980.20
  6. Step 6: Final answer
    x = 65,083.79

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1.5x scale

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.