Home / 148,556.80-222,854.40-73,715.20

Finding the Fourth Proportional to 148,556.80, 222,854.40 and 73,715.20

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Solution

The fourth proportional to 148,556.80, 222,854.40 and 73,715.20 is: 110,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,556.80 : 222,854.40 = 73,715.20 : x
  2. Step 2: Convert to fraction form
    148,556.80/222,854.40 = 73,715.20/x
  3. Step 3: Cross multiply
    148,556.80x = 222,854.40 × 73,715.20
  4. Step 4: Simplify right side
    148,556.80x = 16,427,756,666.88
  5. Step 5: Solve for x
    x = 16,427,756,666.88/148,556.80
  6. Step 6: Final answer
    x = 110,582.33

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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.