Home / 170,399.10-255,598.65-120,632.70

Finding the Fourth Proportional to 170,399.10, 255,598.65 and 120,632.70

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Solution

The fourth proportional to 170,399.10, 255,598.65 and 120,632.70 is: 180,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,399.10 : 255,598.65 = 120,632.70 : x
  2. Step 2: Convert to fraction form
    170,399.10/255,598.65 = 120,632.70/x
  3. Step 3: Cross multiply
    170,399.10x = 255,598.65 × 120,632.70
  4. Step 4: Simplify right side
    170,399.10x = 30,833,555,265.86
  5. Step 5: Solve for x
    x = 30,833,555,265.86/170,399.10
  6. Step 6: Final answer
    x = 180,949.05

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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.