Home / 185,764.54-256,356.04-105,207.72

Finding the Fourth Proportional to 185,764.54, 256,356.04 and 105,207.72

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Solution

The fourth proportional to 185,764.54, 256,356.04 and 105,207.72 is: 145,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,764.54 : 256,356.04 = 105,207.72 : x
  2. Step 2: Convert to fraction form
    185,764.54/256,356.04 = 105,207.72/x
  3. Step 3: Cross multiply
    185,764.54x = 256,356.04 × 105,207.72
  4. Step 4: Simplify right side
    185,764.54x = 26,970,634,476.63
  5. Step 5: Solve for x
    x = 26,970,634,476.63/185,764.54
  6. Step 6: Final answer
    x = 145,187.21

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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.