Home / 189,788.04-261,737.83-157,471.47

Finding the Fourth Proportional to 189,788.04, 261,737.83 and 157,471.47

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Solution

The fourth proportional to 189,788.04, 261,737.83 and 157,471.47 is: 217,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,788.04 : 261,737.83 = 157,471.47 : x
  2. Step 2: Convert to fraction form
    189,788.04/261,737.83 = 157,471.47/x
  3. Step 3: Cross multiply
    189,788.04x = 261,737.83 × 157,471.47
  4. Step 4: Simplify right side
    189,788.04x = 41,216,240,844.71
  5. Step 5: Solve for x
    x = 41,216,240,844.71/189,788.04
  6. Step 6: Final answer
    x = 217,169.85

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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.