Home / 185,616.93-256,155.20-105,044.43

Finding the Fourth Proportional to 185,616.93, 256,155.20 and 105,044.43

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Solution

The fourth proportional to 185,616.93, 256,155.20 and 105,044.43 is: 144,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.93 : 256,155.20 = 105,044.43 : x
  2. Step 2: Convert to fraction form
    185,616.93/256,155.20 = 105,044.43/x
  3. Step 3: Cross multiply
    185,616.93x = 256,155.20 × 105,044.43
  4. Step 4: Simplify right side
    185,616.93x = 26,907,676,450.31
  5. Step 5: Solve for x
    x = 26,907,676,450.31/185,616.93
  6. Step 6: Final answer
    x = 144,963.48

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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.