Home / 206,631.42-285,141.51-115,976.22

Finding the Fourth Proportional to 206,631.42, 285,141.51 and 115,976.22

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Solution

The fourth proportional to 206,631.42, 285,141.51 and 115,976.22 is: 160,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,631.42 : 285,141.51 = 115,976.22 : x
  2. Step 2: Convert to fraction form
    206,631.42/285,141.51 = 115,976.22/x
  3. Step 3: Cross multiply
    206,631.42x = 285,141.51 × 115,976.22
  4. Step 4: Simplify right side
    206,631.42x = 33,069,634,494.89
  5. Step 5: Solve for x
    x = 33,069,634,494.89/206,631.42
  6. Step 6: Final answer
    x = 160,041.66

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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.