Home / 189,467.80-261,465.52-104,584.84

Finding the Fourth Proportional to 189,467.80, 261,465.52 and 104,584.84

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Solution

The fourth proportional to 189,467.80, 261,465.52 and 104,584.84 is: 144,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467.80 : 261,465.52 = 104,584.84 : x
  2. Step 2: Convert to fraction form
    189,467.80/261,465.52 = 104,584.84/x
  3. Step 3: Cross multiply
    189,467.80x = 261,465.52 × 104,584.84
  4. Step 4: Simplify right side
    189,467.80x = 27,345,329,574.72
  5. Step 5: Solve for x
    x = 27,345,329,574.72/189,467.80
  6. Step 6: Final answer
    x = 144,327.05

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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.