Home / 185,912.10-256,544.16-105,352.29

Finding the Fourth Proportional to 185,912.10, 256,544.16 and 105,352.29

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Solution

The fourth proportional to 185,912.10, 256,544.16 and 105,352.29 is: 145,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912.10 : 256,544.16 = 105,352.29 : x
  2. Step 2: Convert to fraction form
    185,912.10/256,544.16 = 105,352.29/x
  3. Step 3: Cross multiply
    185,912.10x = 256,544.16 × 105,352.29
  4. Step 4: Simplify right side
    185,912.10x = 27,027,514,742.13
  5. Step 5: Solve for x
    x = 27,027,514,742.13/185,912.10
  6. Step 6: Final answer
    x = 145,377.92

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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.