Home / 147,620.46-203,646.07-87,150.59

Finding the Fourth Proportional to 147,620.46, 203,646.07 and 87,150.59

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Solution

The fourth proportional to 147,620.46, 203,646.07 and 87,150.59 is: 120,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620.46 : 203,646.07 = 87,150.59 : x
  2. Step 2: Convert to fraction form
    147,620.46/203,646.07 = 87,150.59/x
  3. Step 3: Cross multiply
    147,620.46x = 203,646.07 × 87,150.59
  4. Step 4: Simplify right side
    147,620.46x = 17,747,874,715.93
  5. Step 5: Solve for x
    x = 17,747,874,715.93/147,620.46
  6. Step 6: Final answer
    x = 120,226.39

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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.