Home / 197,030.52-271,807.73-189,391.81

Finding the Fourth Proportional to 197,030.52, 271,807.73 and 189,391.81

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Solution

The fourth proportional to 197,030.52, 271,807.73 and 189,391.81 is: 261,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,030.52 : 271,807.73 = 189,391.81 : x
  2. Step 2: Convert to fraction form
    197,030.52/271,807.73 = 189,391.81/x
  3. Step 3: Cross multiply
    197,030.52x = 271,807.73 × 189,391.81
  4. Step 4: Simplify right side
    197,030.52x = 51,478,159,553.71
  5. Step 5: Solve for x
    x = 51,478,159,553.71/197,030.52
  6. Step 6: Final answer
    x = 261,269.98

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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.