Home / 237,578.56-327,778-140,752.16

Finding the Fourth Proportional to 237,578.56, 327,778 and 140,752.16

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Solution

The fourth proportional to 237,578.56, 327,778 and 140,752.16 is: 194,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,578.56 : 327,778 = 140,752.16 : x
  2. Step 2: Convert to fraction form
    237,578.56/327,778 = 140,752.16/x
  3. Step 3: Cross multiply
    237,578.56x = 327,778 × 140,752.16
  4. Step 4: Simplify right side
    237,578.56x = 46,135,461,500.48
  5. Step 5: Solve for x
    x = 46,135,461,500.48/237,578.56
  6. Step 6: Final answer
    x = 194,190.34

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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.