Home / 185,787.48-256,389.66-105,212.82

Finding the Fourth Proportional to 185,787.48, 256,389.66 and 105,212.82

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Solution

The fourth proportional to 185,787.48, 256,389.66 and 105,212.82 is: 145,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,787.48 : 256,389.66 = 105,212.82 : x
  2. Step 2: Convert to fraction form
    185,787.48/256,389.66 = 105,212.82/x
  3. Step 3: Cross multiply
    185,787.48x = 256,389.66 × 105,212.82
  4. Step 4: Simplify right side
    185,787.48x = 26,975,479,147.44
  5. Step 5: Solve for x
    x = 26,975,479,147.44/185,787.48
  6. Step 6: Final answer
    x = 145,195.36

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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.