Home / 199,358.11-298,698.65-120,306.23

Finding the Fourth Proportional to 199,358.11, 298,698.65 and 120,306.23

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Solution

The fourth proportional to 199,358.11, 298,698.65 and 120,306.23 is: 180,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,358.11 : 298,698.65 = 120,306.23 : x
  2. Step 2: Convert to fraction form
    199,358.11/298,698.65 = 120,306.23/x
  3. Step 3: Cross multiply
    199,358.11x = 298,698.65 × 120,306.23
  4. Step 4: Simplify right side
    199,358.11x = 35,935,306,392.57
  5. Step 5: Solve for x
    x = 35,935,306,392.57/199,358.11
  6. Step 6: Final answer
    x = 180,255.06

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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.