Home / 197,471.75-272,510.19-106,827.50

Finding the Fourth Proportional to 197,471.75, 272,510.19 and 106,827.50

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Solution

The fourth proportional to 197,471.75, 272,510.19 and 106,827.50 is: 147,421.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,471.75 : 272,510.19 = 106,827.50 : x
  2. Step 2: Convert to fraction form
    197,471.75/272,510.19 = 106,827.50/x
  3. Step 3: Cross multiply
    197,471.75x = 272,510.19 × 106,827.50
  4. Step 4: Simplify right side
    197,471.75x = 29,111,583,003.50
  5. Step 5: Solve for x
    x = 29,111,583,003.50/197,471.75
  6. Step 6: Final answer
    x = 147,421.51

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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.