Home / 211,928.96-317,597.84-159,276.80

Finding the Fourth Proportional to 211,928.96, 317,597.84 and 159,276.80

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Solution

The fourth proportional to 211,928.96, 317,597.84 and 159,276.80 is: 238,693.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,928.96 : 317,597.84 = 159,276.80 : x
  2. Step 2: Convert to fraction form
    211,928.96/317,597.84 = 159,276.80/x
  3. Step 3: Cross multiply
    211,928.96x = 317,597.84 × 159,276.80
  4. Step 4: Simplify right side
    211,928.96x = 50,585,967,642.11
  5. Step 5: Solve for x
    x = 50,585,967,642.11/211,928.96
  6. Step 6: Final answer
    x = 238,693.04

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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.