Home / 148,128.67-222,140.48-53,333.42

Finding the Fourth Proportional to 148,128.67, 222,140.48 and 53,333.42

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Solution

The fourth proportional to 148,128.67, 222,140.48 and 53,333.42 is: 79,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,128.67 : 222,140.48 = 53,333.42 : x
  2. Step 2: Convert to fraction form
    148,128.67/222,140.48 = 53,333.42/x
  3. Step 3: Cross multiply
    148,128.67x = 222,140.48 × 53,333.42
  4. Step 4: Simplify right side
    148,128.67x = 11,847,511,518.84
  5. Step 5: Solve for x
    x = 11,847,511,518.84/148,128.67
  6. Step 6: Final answer
    x = 79,981.22

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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.