Home / 281,010.06-387,793.04-151,947.65

Finding the Fourth Proportional to 281,010.06, 387,793.04 and 151,947.65

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Solution

The fourth proportional to 281,010.06, 387,793.04 and 151,947.65 is: 209,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,010.06 : 387,793.04 = 151,947.65 : x
  2. Step 2: Convert to fraction form
    281,010.06/387,793.04 = 151,947.65/x
  3. Step 3: Cross multiply
    281,010.06x = 387,793.04 × 151,947.65
  4. Step 4: Simplify right side
    281,010.06x = 58,924,238,415.65
  5. Step 5: Solve for x
    x = 58,924,238,415.65/281,010.06
  6. Step 6: Final answer
    x = 209,687.29

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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.