Home / 185,957.54-256,616.02-105,392.51

Finding the Fourth Proportional to 185,957.54, 256,616.02 and 105,392.51

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Solution

The fourth proportional to 185,957.54, 256,616.02 and 105,392.51 is: 145,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,957.54 : 256,616.02 = 105,392.51 : x
  2. Step 2: Convert to fraction form
    185,957.54/256,616.02 = 105,392.51/x
  3. Step 3: Cross multiply
    185,957.54x = 256,616.02 × 105,392.51
  4. Step 4: Simplify right side
    185,957.54x = 27,045,405,672.15
  5. Step 5: Solve for x
    x = 27,045,405,672.15/185,957.54
  6. Step 6: Final answer
    x = 145,438.61

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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.