Home / 189,680.37-261,761.67-104,799.39

Finding the Fourth Proportional to 189,680.37, 261,761.67 and 104,799.39

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Solution

The fourth proportional to 189,680.37, 261,761.67 and 104,799.39 is: 144,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,680.37 : 261,761.67 = 104,799.39 : x
  2. Step 2: Convert to fraction form
    189,680.37/261,761.67 = 104,799.39/x
  3. Step 3: Cross multiply
    189,680.37x = 261,761.67 × 104,799.39
  4. Step 4: Simplify right side
    189,680.37x = 27,432,463,341.38
  5. Step 5: Solve for x
    x = 27,432,463,341.38/189,680.37
  6. Step 6: Final answer
    x = 144,624.68

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1.5x scale

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.