Home / 189,519.38-261,529.98-114,053.30

Finding the Fourth Proportional to 189,519.38, 261,529.98 and 114,053.30

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Solution

The fourth proportional to 189,519.38, 261,529.98 and 114,053.30 is: 157,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,519.38 : 261,529.98 = 114,053.30 : x
  2. Step 2: Convert to fraction form
    189,519.38/261,529.98 = 114,053.30/x
  3. Step 3: Cross multiply
    189,519.38x = 261,529.98 × 114,053.30
  4. Step 4: Simplify right side
    189,519.38x = 29,828,357,267.93
  5. Step 5: Solve for x
    x = 29,828,357,267.93/189,519.38
  6. Step 6: Final answer
    x = 157,389.48

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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.