Home / 189,474.41-284,044.40-77,248.51

Finding the Fourth Proportional to 189,474.41, 284,044.40 and 77,248.51

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Solution

The fourth proportional to 189,474.41, 284,044.40 and 77,248.51 is: 115,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,474.41 : 284,044.40 = 77,248.51 : x
  2. Step 2: Convert to fraction form
    189,474.41/284,044.40 = 77,248.51/x
  3. Step 3: Cross multiply
    189,474.41x = 284,044.40 × 77,248.51
  4. Step 4: Simplify right side
    189,474.41x = 21,942,006,673.84
  5. Step 5: Solve for x
    x = 21,942,006,673.84/189,474.41
  6. Step 6: Final answer
    x = 115,804.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.