Home / 303,215.46-418,439.31-167,253.06

Finding the Fourth Proportional to 303,215.46, 418,439.31 and 167,253.06

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Solution

The fourth proportional to 303,215.46, 418,439.31 and 167,253.06 is: 230,810.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,215.46 : 418,439.31 = 167,253.06 : x
  2. Step 2: Convert to fraction form
    303,215.46/418,439.31 = 167,253.06/x
  3. Step 3: Cross multiply
    303,215.46x = 418,439.31 × 167,253.06
  4. Step 4: Simplify right side
    303,215.46x = 69,985,255,021.79
  5. Step 5: Solve for x
    x = 69,985,255,021.79/303,215.46
  6. Step 6: Final answer
    x = 230,810.31

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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.