Home / 185,670.06-256,224.99-100,787.22

Finding the Fourth Proportional to 185,670.06, 256,224.99 and 100,787.22

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Solution

The fourth proportional to 185,670.06, 256,224.99 and 100,787.22 is: 139,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,670.06 : 256,224.99 = 100,787.22 : x
  2. Step 2: Convert to fraction form
    185,670.06/256,224.99 = 100,787.22/x
  3. Step 3: Cross multiply
    185,670.06x = 256,224.99 × 100,787.22
  4. Step 4: Simplify right side
    185,670.06x = 25,824,204,436.63
  5. Step 5: Solve for x
    x = 25,824,204,436.63/185,670.06
  6. Step 6: Final answer
    x = 139,086.53

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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.