Home / 328,250.85-492,391.66-159,570.05

Finding the Fourth Proportional to 328,250.85, 492,391.66 and 159,570.05

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Solution

The fourth proportional to 328,250.85, 492,391.66 and 159,570.05 is: 239,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,250.85 : 492,391.66 = 159,570.05 : x
  2. Step 2: Convert to fraction form
    328,250.85/492,391.66 = 159,570.05/x
  3. Step 3: Cross multiply
    328,250.85x = 492,391.66 × 159,570.05
  4. Step 4: Simplify right side
    328,250.85x = 78,570,962,013.80
  5. Step 5: Solve for x
    x = 78,570,962,013.80/328,250.85
  6. Step 6: Final answer
    x = 239,362.55

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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.