Home / 185,788.48-256,391.04-105,213.82

Finding the Fourth Proportional to 185,788.48, 256,391.04 and 105,213.82

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Solution

The fourth proportional to 185,788.48, 256,391.04 and 105,213.82 is: 145,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788.48 : 256,391.04 = 105,213.82 : x
  2. Step 2: Convert to fraction form
    185,788.48/256,391.04 = 105,213.82/x
  3. Step 3: Cross multiply
    185,788.48x = 256,391.04 × 105,213.82
  4. Step 4: Simplify right side
    185,788.48x = 26,975,880,732.17
  5. Step 5: Solve for x
    x = 26,975,880,732.17/185,788.48
  6. Step 6: Final answer
    x = 145,196.74

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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.