Home / 185,899.05-256,540.01-105,341.97

Finding the Fourth Proportional to 185,899.05, 256,540.01 and 105,341.97

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Solution

The fourth proportional to 185,899.05, 256,540.01 and 105,341.97 is: 145,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,899.05 : 256,540.01 = 105,341.97 : x
  2. Step 2: Convert to fraction form
    185,899.05/256,540.01 = 105,341.97/x
  3. Step 3: Cross multiply
    185,899.05x = 256,540.01 × 105,341.97
  4. Step 4: Simplify right side
    185,899.05x = 27,024,429,622.05
  5. Step 5: Solve for x
    x = 27,024,429,622.05/185,899.05
  6. Step 6: Final answer
    x = 145,371.53

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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.