Home / 148,015.80-222,023.70-142,110.90

Finding the Fourth Proportional to 148,015.80, 222,023.70 and 142,110.90

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Solution

The fourth proportional to 148,015.80, 222,023.70 and 142,110.90 is: 213,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,015.80 : 222,023.70 = 142,110.90 : x
  2. Step 2: Convert to fraction form
    148,015.80/222,023.70 = 142,110.90/x
  3. Step 3: Cross multiply
    148,015.80x = 222,023.70 × 142,110.90
  4. Step 4: Simplify right side
    148,015.80x = 31,551,987,828.33
  5. Step 5: Solve for x
    x = 31,551,987,828.33/148,015.80
  6. Step 6: Final answer
    x = 213,166.35

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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.