Home / 274,086.18-378,237.20-153,226.89

Finding the Fourth Proportional to 274,086.18, 378,237.20 and 153,226.89

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Solution

The fourth proportional to 274,086.18, 378,237.20 and 153,226.89 is: 211,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,086.18 : 378,237.20 = 153,226.89 : x
  2. Step 2: Convert to fraction form
    274,086.18/378,237.20 = 153,226.89/x
  3. Step 3: Cross multiply
    274,086.18x = 378,237.20 × 153,226.89
  4. Step 4: Simplify right side
    274,086.18x = 57,956,109,072.17
  5. Step 5: Solve for x
    x = 57,956,109,072.17/274,086.18
  6. Step 6: Final answer
    x = 211,452.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.