Home / 211,807.09-317,814.52-93,337.30

Finding the Fourth Proportional to 211,807.09, 317,814.52 and 93,337.30

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Solution

The fourth proportional to 211,807.09, 317,814.52 and 93,337.30 is: 140,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,807.09 : 317,814.52 = 93,337.30 : x
  2. Step 2: Convert to fraction form
    211,807.09/317,814.52 = 93,337.30/x
  3. Step 3: Cross multiply
    211,807.09x = 317,814.52 × 93,337.30
  4. Step 4: Simplify right side
    211,807.09x = 29,663,949,197.60
  5. Step 5: Solve for x
    x = 29,663,949,197.60/211,807.09
  6. Step 6: Final answer
    x = 140,051.73

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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.