Home / 319,982.64-441,538.20-176,734.14

Finding the Fourth Proportional to 319,982.64, 441,538.20 and 176,734.14

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Solution

The fourth proportional to 319,982.64, 441,538.20 and 176,734.14 is: 243,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,982.64 : 441,538.20 = 176,734.14 : x
  2. Step 2: Convert to fraction form
    319,982.64/441,538.20 = 176,734.14/x
  3. Step 3: Cross multiply
    319,982.64x = 441,538.20 × 176,734.14
  4. Step 4: Simplify right side
    319,982.64x = 78,034,874,054.15
  5. Step 5: Solve for x
    x = 78,034,874,054.15/319,982.64
  6. Step 6: Final answer
    x = 243,872.21

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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.