Home / 331,020.06-456,805.59-180,117.66

Finding the Fourth Proportional to 331,020.06, 456,805.59 and 180,117.66

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Solution

The fourth proportional to 331,020.06, 456,805.59 and 180,117.66 is: 248,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,020.06 : 456,805.59 = 180,117.66 : x
  2. Step 2: Convert to fraction form
    331,020.06/456,805.59 = 180,117.66/x
  3. Step 3: Cross multiply
    331,020.06x = 456,805.59 × 180,117.66
  4. Step 4: Simplify right side
    331,020.06x = 82,278,753,945.72
  5. Step 5: Solve for x
    x = 82,278,753,945.72/331,020.06
  6. Step 6: Final answer
    x = 248,561.23

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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.