Home / 185,923.25-256,568.74-105,376.80

Finding the Fourth Proportional to 185,923.25, 256,568.74 and 105,376.80

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Solution

The fourth proportional to 185,923.25, 256,568.74 and 105,376.80 is: 145,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,923.25 : 256,568.74 = 105,376.80 : x
  2. Step 2: Convert to fraction form
    185,923.25/256,568.74 = 105,376.80/x
  3. Step 3: Cross multiply
    185,923.25x = 256,568.74 × 105,376.80
  4. Step 4: Simplify right side
    185,923.25x = 27,036,392,353.10
  5. Step 5: Solve for x
    x = 27,036,392,353.10/185,923.25
  6. Step 6: Final answer
    x = 145,416.95

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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.