Home / 170,209.73-255,314.88-70,260.18

Finding the Fourth Proportional to 170,209.73, 255,314.88 and 70,260.18

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Solution

The fourth proportional to 170,209.73, 255,314.88 and 70,260.18 is: 105,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,209.73 : 255,314.88 = 70,260.18 : x
  2. Step 2: Convert to fraction form
    170,209.73/255,314.88 = 70,260.18/x
  3. Step 3: Cross multiply
    170,209.73x = 255,314.88 × 70,260.18
  4. Step 4: Simplify right side
    170,209.73x = 17,938,469,425.48
  5. Step 5: Solve for x
    x = 17,938,469,425.48/170,209.73
  6. Step 6: Final answer
    x = 105,390.39

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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.