Home / 154,630.64-211,791.40-145,552.16

Finding the Fourth Proportional to 154,630.64, 211,791.40 and 145,552.16

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Solution

The fourth proportional to 154,630.64, 211,791.40 and 145,552.16 is: 199,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,630.64 : 211,791.40 = 145,552.16 : x
  2. Step 2: Convert to fraction form
    154,630.64/211,791.40 = 145,552.16/x
  3. Step 3: Cross multiply
    154,630.64x = 211,791.40 × 145,552.16
  4. Step 4: Simplify right side
    154,630.64x = 30,826,695,739.42
  5. Step 5: Solve for x
    x = 30,826,695,739.42/154,630.64
  6. Step 6: Final answer
    x = 199,356.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.