Home / 197,294.56-272,190-125,661.76

Finding the Fourth Proportional to 197,294.56, 272,190 and 125,661.76

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Solution

The fourth proportional to 197,294.56, 272,190 and 125,661.76 is: 173,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,294.56 : 272,190 = 125,661.76 : x
  2. Step 2: Convert to fraction form
    197,294.56/272,190 = 125,661.76/x
  3. Step 3: Cross multiply
    197,294.56x = 272,190 × 125,661.76
  4. Step 4: Simplify right side
    197,294.56x = 34,203,874,454.40
  5. Step 5: Solve for x
    x = 34,203,874,454.40/197,294.56
  6. Step 6: Final answer
    x = 173,364.51

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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.