Home / 297,020.20-445,530.30-157,052.20

Finding the Fourth Proportional to 297,020.20, 445,530.30 and 157,052.20

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Solution

The fourth proportional to 297,020.20, 445,530.30 and 157,052.20 is: 235,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,020.20 : 445,530.30 = 157,052.20 : x
  2. Step 2: Convert to fraction form
    297,020.20/445,530.30 = 157,052.20/x
  3. Step 3: Cross multiply
    297,020.20x = 445,530.30 × 157,052.20
  4. Step 4: Simplify right side
    297,020.20x = 69,971,513,781.66
  5. Step 5: Solve for x
    x = 69,971,513,781.66/297,020.20
  6. Step 6: Final answer
    x = 235,578.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.