Home / 185,641.19-256,185.09-100,758.26

Finding the Fourth Proportional to 185,641.19, 256,185.09 and 100,758.26

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Solution

The fourth proportional to 185,641.19, 256,185.09 and 100,758.26 is: 139,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,641.19 : 256,185.09 = 100,758.26 : x
  2. Step 2: Convert to fraction form
    185,641.19/256,185.09 = 100,758.26/x
  3. Step 3: Cross multiply
    185,641.19x = 256,185.09 × 100,758.26
  4. Step 4: Simplify right side
    185,641.19x = 25,812,762,625.42
  5. Step 5: Solve for x
    x = 25,812,762,625.42/185,641.19
  6. Step 6: Final answer
    x = 139,046.53

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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.