Home / 109,197.16-163,719.74-48,374.39

Finding the Fourth Proportional to 109,197.16, 163,719.74 and 48,374.39

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Solution

The fourth proportional to 109,197.16, 163,719.74 and 48,374.39 is: 72,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,197.16 : 163,719.74 = 48,374.39 : x
  2. Step 2: Convert to fraction form
    109,197.16/163,719.74 = 48,374.39/x
  3. Step 3: Cross multiply
    109,197.16x = 163,719.74 × 48,374.39
  4. Step 4: Simplify right side
    109,197.16x = 7,919,843,083.69
  5. Step 5: Solve for x
    x = 7,919,843,083.69/109,197.16
  6. Step 6: Final answer
    x = 72,527.92

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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.