Home / 185,943.25-256,586.70-105,383.08

Finding the Fourth Proportional to 185,943.25, 256,586.70 and 105,383.08

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Solution

The fourth proportional to 185,943.25, 256,586.70 and 105,383.08 is: 145,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,943.25 : 256,586.70 = 105,383.08 : x
  2. Step 2: Convert to fraction form
    185,943.25/256,586.70 = 105,383.08/x
  3. Step 3: Cross multiply
    185,943.25x = 256,586.70 × 105,383.08
  4. Step 4: Simplify right side
    185,943.25x = 27,039,896,733.04
  5. Step 5: Solve for x
    x = 27,039,896,733.04/185,943.25
  6. Step 6: Final answer
    x = 145,420.16

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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.