Home / 209,132.12-313,697.78-59,373.78

Finding the Fourth Proportional to 209,132.12, 313,697.78 and 59,373.78

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Solution

The fourth proportional to 209,132.12, 313,697.78 and 59,373.78 is: 89,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,132.12 : 313,697.78 = 59,373.78 : x
  2. Step 2: Convert to fraction form
    209,132.12/313,697.78 = 59,373.78/x
  3. Step 3: Cross multiply
    209,132.12x = 313,697.78 × 59,373.78
  4. Step 4: Simplify right side
    209,132.12x = 18,625,422,976.21
  5. Step 5: Solve for x
    x = 18,625,422,976.21/209,132.12
  6. Step 6: Final answer
    x = 89,060.56

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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.