Home / 148,260.14-204,516.01-87,771.78

Finding the Fourth Proportional to 148,260.14, 204,516.01 and 87,771.78

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Solution

The fourth proportional to 148,260.14, 204,516.01 and 87,771.78 is: 121,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,260.14 : 204,516.01 = 87,771.78 : x
  2. Step 2: Convert to fraction form
    148,260.14/204,516.01 = 87,771.78/x
  3. Step 3: Cross multiply
    148,260.14x = 204,516.01 × 87,771.78
  4. Step 4: Simplify right side
    148,260.14x = 17,950,734,236.20
  5. Step 5: Solve for x
    x = 17,950,734,236.20/148,260.14
  6. Step 6: Final answer
    x = 121,075.93

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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.