Home / 197,468.12-272,505.18-106,823.87

Finding the Fourth Proportional to 197,468.12, 272,505.18 and 106,823.87

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Solution

The fourth proportional to 197,468.12, 272,505.18 and 106,823.87 is: 147,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,468.12 : 272,505.18 = 106,823.87 : x
  2. Step 2: Convert to fraction form
    197,468.12/272,505.18 = 106,823.87/x
  3. Step 3: Cross multiply
    197,468.12x = 272,505.18 × 106,823.87
  4. Step 4: Simplify right side
    197,468.12x = 29,110,056,560.12
  5. Step 5: Solve for x
    x = 29,110,056,560.12/197,468.12
  6. Step 6: Final answer
    x = 147,416.49

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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.