Home / 185,722.15-256,293.94-105,147.58

Finding the Fourth Proportional to 185,722.15, 256,293.94 and 105,147.58

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Solution

The fourth proportional to 185,722.15, 256,293.94 and 105,147.58 is: 145,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,722.15 : 256,293.94 = 105,147.58 : x
  2. Step 2: Convert to fraction form
    185,722.15/256,293.94 = 105,147.58/x
  3. Step 3: Cross multiply
    185,722.15x = 256,293.94 × 105,147.58
  4. Step 4: Simplify right side
    185,722.15x = 26,948,687,033.93
  5. Step 5: Solve for x
    x = 26,948,687,033.93/185,722.15
  6. Step 6: Final answer
    x = 145,102.17

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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.