Home / 154,399.20-212,785.20-116,613.60

Finding the Fourth Proportional to 154,399.20, 212,785.20 and 116,613.60

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Solution

The fourth proportional to 154,399.20, 212,785.20 and 116,613.60 is: 160,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,399.20 : 212,785.20 = 116,613.60 : x
  2. Step 2: Convert to fraction form
    154,399.20/212,785.20 = 116,613.60/x
  3. Step 3: Cross multiply
    154,399.20x = 212,785.20 × 116,613.60
  4. Step 4: Simplify right side
    154,399.20x = 24,813,648,198.72
  5. Step 5: Solve for x
    x = 24,813,648,198.72/154,399.20
  6. Step 6: Final answer
    x = 160,710.99

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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.