Home / 189,335.04-261,269.40-104,453.52

Finding the Fourth Proportional to 189,335.04, 261,269.40 and 104,453.52

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Solution

The fourth proportional to 189,335.04, 261,269.40 and 104,453.52 is: 144,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,335.04 : 261,269.40 = 104,453.52 : x
  2. Step 2: Convert to fraction form
    189,335.04/261,269.40 = 104,453.52/x
  3. Step 3: Cross multiply
    189,335.04x = 261,269.40 × 104,453.52
  4. Step 4: Simplify right side
    189,335.04x = 27,290,508,498.29
  5. Step 5: Solve for x
    x = 27,290,508,498.29/189,335.04
  6. Step 6: Final answer
    x = 144,138.71

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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.