Home / 189,834.50-261,977.08-104,957.04

Finding the Fourth Proportional to 189,834.50, 261,977.08 and 104,957.04

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Solution

The fourth proportional to 189,834.50, 261,977.08 and 104,957.04 is: 144,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,834.50 : 261,977.08 = 104,957.04 : x
  2. Step 2: Convert to fraction form
    189,834.50/261,977.08 = 104,957.04/x
  3. Step 3: Cross multiply
    189,834.50x = 261,977.08 × 104,957.04
  4. Step 4: Simplify right side
    189,834.50x = 27,496,338,864.64
  5. Step 5: Solve for x
    x = 27,496,338,864.64/189,834.50
  6. Step 6: Final answer
    x = 144,843.74

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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.