Home / 148,053.99-222,179.40-69,174.36

Finding the Fourth Proportional to 148,053.99, 222,179.40 and 69,174.36

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Solution

The fourth proportional to 148,053.99, 222,179.40 and 69,174.36 is: 103,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,053.99 : 222,179.40 = 69,174.36 : x
  2. Step 2: Convert to fraction form
    148,053.99/222,179.40 = 69,174.36/x
  3. Step 3: Cross multiply
    148,053.99x = 222,179.40 × 69,174.36
  4. Step 4: Simplify right side
    148,053.99x = 15,369,117,800.18
  5. Step 5: Solve for x
    x = 15,369,117,800.18/148,053.99
  6. Step 6: Final answer
    x = 103,807.52

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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.