Home / 103,196.52-154,795.02-28,317.66

Finding the Fourth Proportional to 103,196.52, 154,795.02 and 28,317.66

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Solution

The fourth proportional to 103,196.52, 154,795.02 and 28,317.66 is: 42,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,196.52 : 154,795.02 = 28,317.66 : x
  2. Step 2: Convert to fraction form
    103,196.52/154,795.02 = 28,317.66/x
  3. Step 3: Cross multiply
    103,196.52x = 154,795.02 × 28,317.66
  4. Step 4: Simplify right side
    103,196.52x = 4,383,432,746.05
  5. Step 5: Solve for x
    x = 4,383,432,746.05/103,196.52
  6. Step 6: Final answer
    x = 42,476.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.