Home / 188,753.28-260,516.82-108,235.23

Finding the Fourth Proportional to 188,753.28, 260,516.82 and 108,235.23

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Solution

The fourth proportional to 188,753.28, 260,516.82 and 108,235.23 is: 149,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,753.28 : 260,516.82 = 108,235.23 : x
  2. Step 2: Convert to fraction form
    188,753.28/260,516.82 = 108,235.23/x
  3. Step 3: Cross multiply
    188,753.28x = 260,516.82 × 108,235.23
  4. Step 4: Simplify right side
    188,753.28x = 28,197,097,931.57
  5. Step 5: Solve for x
    x = 28,197,097,931.57/188,753.28
  6. Step 6: Final answer
    x = 149,386.00

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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.