Home / 237,757.92-328,110-130,321.08

Finding the Fourth Proportional to 237,757.92, 328,110 and 130,321.08

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Solution

The fourth proportional to 237,757.92, 328,110 and 130,321.08 is: 179,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,757.92 : 328,110 = 130,321.08 : x
  2. Step 2: Convert to fraction form
    237,757.92/328,110 = 130,321.08/x
  3. Step 3: Cross multiply
    237,757.92x = 328,110 × 130,321.08
  4. Step 4: Simplify right side
    237,757.92x = 42,759,649,558.80
  5. Step 5: Solve for x
    x = 42,759,649,558.80/237,757.92
  6. Step 6: Final answer
    x = 179,845.32

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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.