Home / 74,154.18-111,230.33-17,994.75

Finding the Fourth Proportional to 74,154.18, 111,230.33 and 17,994.75

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Solution

The fourth proportional to 74,154.18, 111,230.33 and 17,994.75 is: 26,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,154.18 : 111,230.33 = 17,994.75 : x
  2. Step 2: Convert to fraction form
    74,154.18/111,230.33 = 17,994.75/x
  3. Step 3: Cross multiply
    74,154.18x = 111,230.33 × 17,994.75
  4. Step 4: Simplify right side
    74,154.18x = 2,001,562,025.75
  5. Step 5: Solve for x
    x = 2,001,562,025.75/74,154.18
  6. Step 6: Final answer
    x = 26,991.90

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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.