Home / 185,738.73-256,328.06-105,155.61

Finding the Fourth Proportional to 185,738.73, 256,328.06 and 105,155.61

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Solution

The fourth proportional to 185,738.73, 256,328.06 and 105,155.61 is: 145,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.73 : 256,328.06 = 105,155.61 : x
  2. Step 2: Convert to fraction form
    185,738.73/256,328.06 = 105,155.61/x
  3. Step 3: Cross multiply
    185,738.73x = 256,328.06 × 105,155.61
  4. Step 4: Simplify right side
    185,738.73x = 26,954,332,983.64
  5. Step 5: Solve for x
    x = 26,954,332,983.64/185,738.73
  6. Step 6: Final answer
    x = 145,119.61

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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.