Home / 313,440.38-432,547.72-179,304.38

Finding the Fourth Proportional to 313,440.38, 432,547.72 and 179,304.38

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Solution

The fourth proportional to 313,440.38, 432,547.72 and 179,304.38 is: 247,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,440.38 : 432,547.72 = 179,304.38 : x
  2. Step 2: Convert to fraction form
    313,440.38/432,547.72 = 179,304.38/x
  3. Step 3: Cross multiply
    313,440.38x = 432,547.72 × 179,304.38
  4. Step 4: Simplify right side
    313,440.38x = 77,557,700,755.01
  5. Step 5: Solve for x
    x = 77,557,700,755.01/313,440.38
  6. Step 6: Final answer
    x = 247,440.04

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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.