Home / 211,335.21-317,013.93-53,565.03

Finding the Fourth Proportional to 211,335.21, 317,013.93 and 53,565.03

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Solution

The fourth proportional to 211,335.21, 317,013.93 and 53,565.03 is: 80,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,335.21 : 317,013.93 = 53,565.03 : x
  2. Step 2: Convert to fraction form
    211,335.21/317,013.93 = 53,565.03/x
  3. Step 3: Cross multiply
    211,335.21x = 317,013.93 × 53,565.03
  4. Step 4: Simplify right side
    211,335.21x = 16,980,860,670.87
  5. Step 5: Solve for x
    x = 16,980,860,670.87/211,335.21
  6. Step 6: Final answer
    x = 80,350.36

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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.