Home / 345,209.42-476,536.29-232,097.78

Finding the Fourth Proportional to 345,209.42, 476,536.29 and 232,097.78

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Solution

The fourth proportional to 345,209.42, 476,536.29 and 232,097.78 is: 320,393.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,209.42 : 476,536.29 = 232,097.78 : x
  2. Step 2: Convert to fraction form
    345,209.42/476,536.29 = 232,097.78/x
  3. Step 3: Cross multiply
    345,209.42x = 476,536.29 × 232,097.78
  4. Step 4: Simplify right side
    345,209.42x = 110,603,014,998.44
  5. Step 5: Solve for x
    x = 110,603,014,998.44/345,209.42
  6. Step 6: Final answer
    x = 320,393.97

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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.