Home / 189,742.52-261,834.45-104,854.52

Finding the Fourth Proportional to 189,742.52, 261,834.45 and 104,854.52

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Solution

The fourth proportional to 189,742.52, 261,834.45 and 104,854.52 is: 144,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,742.52 : 261,834.45 = 104,854.52 : x
  2. Step 2: Convert to fraction form
    189,742.52/261,834.45 = 104,854.52/x
  3. Step 3: Cross multiply
    189,742.52x = 261,834.45 × 104,854.52
  4. Step 4: Simplify right side
    189,742.52x = 27,454,525,574.21
  5. Step 5: Solve for x
    x = 27,454,525,574.21/189,742.52
  6. Step 6: Final answer
    x = 144,693.59

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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.