Home / 263,728.27-363,937.48-154,830.82

Finding the Fourth Proportional to 263,728.27, 363,937.48 and 154,830.82

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Solution

The fourth proportional to 263,728.27, 363,937.48 and 154,830.82 is: 213,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,728.27 : 363,937.48 = 154,830.82 : x
  2. Step 2: Convert to fraction form
    263,728.27/363,937.48 = 154,830.82/x
  3. Step 3: Cross multiply
    263,728.27x = 363,937.48 × 154,830.82
  4. Step 4: Simplify right side
    263,728.27x = 56,348,740,047.42
  5. Step 5: Solve for x
    x = 56,348,740,047.42/263,728.27
  6. Step 6: Final answer
    x = 213,662.11

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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.