Home / 197,315.37-272,294.85-106,671.42

Finding the Fourth Proportional to 197,315.37, 272,294.85 and 106,671.42

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Solution

The fourth proportional to 197,315.37, 272,294.85 and 106,671.42 is: 147,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315.37 : 272,294.85 = 106,671.42 : x
  2. Step 2: Convert to fraction form
    197,315.37/272,294.85 = 106,671.42/x
  3. Step 3: Cross multiply
    197,315.37x = 272,294.85 × 106,671.42
  4. Step 4: Simplify right side
    197,315.37x = 29,046,078,308.19
  5. Step 5: Solve for x
    x = 29,046,078,308.19/197,315.37
  6. Step 6: Final answer
    x = 147,206.36

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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.