Home / 263,036.40-394,360.20-144,841.20

Finding the Fourth Proportional to 263,036.40, 394,360.20 and 144,841.20

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Solution

The fourth proportional to 263,036.40, 394,360.20 and 144,841.20 is: 217,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,036.40 : 394,360.20 = 144,841.20 : x
  2. Step 2: Convert to fraction form
    263,036.40/394,360.20 = 144,841.20/x
  3. Step 3: Cross multiply
    263,036.40x = 394,360.20 × 144,841.20
  4. Step 4: Simplify right side
    263,036.40x = 57,119,604,600.24
  5. Step 5: Solve for x
    x = 57,119,604,600.24/263,036.40
  6. Step 6: Final answer
    x = 217,154.75

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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.