Home / 158,238.20-237,389.70-53,132.60

Finding the Fourth Proportional to 158,238.20, 237,389.70 and 53,132.60

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Solution

The fourth proportional to 158,238.20, 237,389.70 and 53,132.60 is: 79,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,238.20 : 237,389.70 = 53,132.60 : x
  2. Step 2: Convert to fraction form
    158,238.20/237,389.70 = 53,132.60/x
  3. Step 3: Cross multiply
    158,238.20x = 237,389.70 × 53,132.60
  4. Step 4: Simplify right side
    158,238.20x = 12,613,131,974.22
  5. Step 5: Solve for x
    x = 12,613,131,974.22/158,238.20
  6. Step 6: Final answer
    x = 79,709.78

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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.