Home / 283,594.12-391,359.92-154,532.61

Finding the Fourth Proportional to 283,594.12, 391,359.92 and 154,532.61

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Solution

The fourth proportional to 283,594.12, 391,359.92 and 154,532.61 is: 213,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,594.12 : 391,359.92 = 154,532.61 : x
  2. Step 2: Convert to fraction form
    283,594.12/391,359.92 = 154,532.61/x
  3. Step 3: Cross multiply
    283,594.12x = 391,359.92 × 154,532.61
  4. Step 4: Simplify right side
    283,594.12x = 60,477,871,084.27
  5. Step 5: Solve for x
    x = 60,477,871,084.27/283,594.12
  6. Step 6: Final answer
    x = 213,255.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.