Home / 148,508.16-222,230.13-128,586.36

Finding the Fourth Proportional to 148,508.16, 222,230.13 and 128,586.36

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Solution

The fourth proportional to 148,508.16, 222,230.13 and 128,586.36 is: 192,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,508.16 : 222,230.13 = 128,586.36 : x
  2. Step 2: Convert to fraction form
    148,508.16/222,230.13 = 128,586.36/x
  3. Step 3: Cross multiply
    148,508.16x = 222,230.13 × 128,586.36
  4. Step 4: Simplify right side
    148,508.16x = 28,575,763,499.03
  5. Step 5: Solve for x
    x = 28,575,763,499.03/148,508.16
  6. Step 6: Final answer
    x = 192,418.81

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1.5x scale

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.