Home / 148,286.20-222,430.40-118,666.12

Finding the Fourth Proportional to 148,286.20, 222,430.40 and 118,666.12

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Solution

The fourth proportional to 148,286.20, 222,430.40 and 118,666.12 is: 178,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,286.20 : 222,430.40 = 118,666.12 : x
  2. Step 2: Convert to fraction form
    148,286.20/222,430.40 = 118,666.12/x
  3. Step 3: Cross multiply
    148,286.20x = 222,430.40 × 118,666.12
  4. Step 4: Simplify right side
    148,286.20x = 26,394,952,538.05
  5. Step 5: Solve for x
    x = 26,394,952,538.05/148,286.20
  6. Step 6: Final answer
    x = 178,000.06

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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.