Home / 263,066.16-363,034.80-155,633.43

Finding the Fourth Proportional to 263,066.16, 363,034.80 and 155,633.43

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Solution

The fourth proportional to 263,066.16, 363,034.80 and 155,633.43 is: 214,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,066.16 : 363,034.80 = 155,633.43 : x
  2. Step 2: Convert to fraction form
    263,066.16/363,034.80 = 155,633.43/x
  3. Step 3: Cross multiply
    263,066.16x = 363,034.80 × 155,633.43
  4. Step 4: Simplify right side
    263,066.16x = 56,500,351,133.36
  5. Step 5: Solve for x
    x = 56,500,351,133.36/263,066.16
  6. Step 6: Final answer
    x = 214,776.20

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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.