Home / 183,790.20-275,685.30-90,478.20

Finding the Fourth Proportional to 183,790.20, 275,685.30 and 90,478.20

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Solution

The fourth proportional to 183,790.20, 275,685.30 and 90,478.20 is: 135,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,790.20 : 275,685.30 = 90,478.20 : x
  2. Step 2: Convert to fraction form
    183,790.20/275,685.30 = 90,478.20/x
  3. Step 3: Cross multiply
    183,790.20x = 275,685.30 × 90,478.20
  4. Step 4: Simplify right side
    183,790.20x = 24,943,509,710.46
  5. Step 5: Solve for x
    x = 24,943,509,710.46/183,790.20
  6. Step 6: Final answer
    x = 135,717.30

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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.