Home / 268,213.86-370,137.47-147,357.81

Finding the Fourth Proportional to 268,213.86, 370,137.47 and 147,357.81

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Solution

The fourth proportional to 268,213.86, 370,137.47 and 147,357.81 is: 203,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,213.86 : 370,137.47 = 147,357.81 : x
  2. Step 2: Convert to fraction form
    268,213.86/370,137.47 = 147,357.81/x
  3. Step 3: Cross multiply
    268,213.86x = 370,137.47 × 147,357.81
  4. Step 4: Simplify right side
    268,213.86x = 54,542,646,241.35
  5. Step 5: Solve for x
    x = 54,542,646,241.35/268,213.86
  6. Step 6: Final answer
    x = 203,355.06

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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.