Home / 197,471.87-272,510.59-106,827.81

Finding the Fourth Proportional to 197,471.87, 272,510.59 and 106,827.81

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Solution

The fourth proportional to 197,471.87, 272,510.59 and 106,827.81 is: 147,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,471.87 : 272,510.59 = 106,827.81 : x
  2. Step 2: Convert to fraction form
    197,471.87/272,510.59 = 106,827.81/x
  3. Step 3: Cross multiply
    197,471.87x = 272,510.59 × 106,827.81
  4. Step 4: Simplify right side
    197,471.87x = 29,111,710,441.68
  5. Step 5: Solve for x
    x = 29,111,710,441.68/197,471.87
  6. Step 6: Final answer
    x = 147,422.06

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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.