Home / 195,338.59-293,007.88-90,100.15

Finding the Fourth Proportional to 195,338.59, 293,007.88 and 90,100.15

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Solution

The fourth proportional to 195,338.59, 293,007.88 and 90,100.15 is: 135,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,338.59 : 293,007.88 = 90,100.15 : x
  2. Step 2: Convert to fraction form
    195,338.59/293,007.88 = 90,100.15/x
  3. Step 3: Cross multiply
    195,338.59x = 293,007.88 × 90,100.15
  4. Step 4: Simplify right side
    195,338.59x = 26,400,053,319.29
  5. Step 5: Solve for x
    x = 26,400,053,319.29/195,338.59
  6. Step 6: Final answer
    x = 135,150.22

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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.