Home / 211,565.26-317,192.37-100,835.02

Finding the Fourth Proportional to 211,565.26, 317,192.37 and 100,835.02

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Solution

The fourth proportional to 211,565.26, 317,192.37 and 100,835.02 is: 151,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,565.26 : 317,192.37 = 100,835.02 : x
  2. Step 2: Convert to fraction form
    211,565.26/317,192.37 = 100,835.02/x
  3. Step 3: Cross multiply
    211,565.26x = 317,192.37 × 100,835.02
  4. Step 4: Simplify right side
    211,565.26x = 31,984,098,972.80
  5. Step 5: Solve for x
    x = 31,984,098,972.80/211,565.26
  6. Step 6: Final answer
    x = 151,178.41

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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.