Home / 313,341.75-432,412.16-179,205.75

Finding the Fourth Proportional to 313,341.75, 432,412.16 and 179,205.75

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Solution

The fourth proportional to 313,341.75, 432,412.16 and 179,205.75 is: 247,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,341.75 : 432,412.16 = 179,205.75 : x
  2. Step 2: Convert to fraction form
    313,341.75/432,412.16 = 179,205.75/x
  3. Step 3: Cross multiply
    313,341.75x = 432,412.16 × 179,205.75
  4. Step 4: Simplify right side
    313,341.75x = 77,490,744,545.89
  5. Step 5: Solve for x
    x = 77,490,744,545.89/313,341.75
  6. Step 6: Final answer
    x = 247,304.24

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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.