Home / 319,734.38-441,364.83-218,095.34

Finding the Fourth Proportional to 319,734.38, 441,364.83 and 218,095.34

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Solution

The fourth proportional to 319,734.38, 441,364.83 and 218,095.34 is: 301,061.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,734.38 : 441,364.83 = 218,095.34 : x
  2. Step 2: Convert to fraction form
    319,734.38/441,364.83 = 218,095.34/x
  3. Step 3: Cross multiply
    319,734.38x = 441,364.83 × 218,095.34
  4. Step 4: Simplify right side
    319,734.38x = 96,259,612,662.89
  5. Step 5: Solve for x
    x = 96,259,612,662.89/319,734.38
  6. Step 6: Final answer
    x = 301,061.19

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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.