Home / 238,528.16-329,168.64-131,105.12

Finding the Fourth Proportional to 238,528.16, 329,168.64 and 131,105.12

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Solution

The fourth proportional to 238,528.16, 329,168.64 and 131,105.12 is: 180,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528.16 : 329,168.64 = 131,105.12 : x
  2. Step 2: Convert to fraction form
    238,528.16/329,168.64 = 131,105.12/x
  3. Step 3: Cross multiply
    238,528.16x = 329,168.64 × 131,105.12
  4. Step 4: Simplify right side
    238,528.16x = 43,155,694,047.44
  5. Step 5: Solve for x
    x = 43,155,694,047.44/238,528.16
  6. Step 6: Final answer
    x = 180,924.94

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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.