Home / 218,105.17-301,214.58-194,330.20

Finding the Fourth Proportional to 218,105.17, 301,214.58 and 194,330.20

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Solution

The fourth proportional to 218,105.17, 301,214.58 and 194,330.20 is: 268,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,105.17 : 301,214.58 = 194,330.20 : x
  2. Step 2: Convert to fraction form
    218,105.17/301,214.58 = 194,330.20/x
  3. Step 3: Cross multiply
    218,105.17x = 301,214.58 × 194,330.20
  4. Step 4: Simplify right side
    218,105.17x = 58,535,089,574.32
  5. Step 5: Solve for x
    x = 58,535,089,574.32/218,105.17
  6. Step 6: Final answer
    x = 268,380.11

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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.