Home / 197,471.64-272,510.27-106,827.58

Finding the Fourth Proportional to 197,471.64, 272,510.27 and 106,827.58

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Solution

The fourth proportional to 197,471.64, 272,510.27 and 106,827.58 is: 147,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,471.64 : 272,510.27 = 106,827.58 : x
  2. Step 2: Convert to fraction form
    197,471.64/272,510.27 = 106,827.58/x
  3. Step 3: Cross multiply
    197,471.64x = 272,510.27 × 106,827.58
  4. Step 4: Simplify right side
    197,471.64x = 29,111,611,453.83
  5. Step 5: Solve for x
    x = 29,111,611,453.83/197,471.64
  6. Step 6: Final answer
    x = 147,421.73

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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.