Home / 148,011.48-222,050-69,082.64

Finding the Fourth Proportional to 148,011.48, 222,050 and 69,082.64

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Solution

The fourth proportional to 148,011.48, 222,050 and 69,082.64 is: 103,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,011.48 : 222,050 = 69,082.64 : x
  2. Step 2: Convert to fraction form
    148,011.48/222,050 = 69,082.64/x
  3. Step 3: Cross multiply
    148,011.48x = 222,050 × 69,082.64
  4. Step 4: Simplify right side
    148,011.48x = 15,339,800,212
  5. Step 5: Solve for x
    x = 15,339,800,212/148,011.48
  6. Step 6: Final answer
    x = 103,639.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.