Home / 211,763.32-317,560.20-93,350.50

Finding the Fourth Proportional to 211,763.32, 317,560.20 and 93,350.50

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Solution

The fourth proportional to 211,763.32, 317,560.20 and 93,350.50 is: 139,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,763.32 : 317,560.20 = 93,350.50 : x
  2. Step 2: Convert to fraction form
    211,763.32/317,560.20 = 93,350.50/x
  3. Step 3: Cross multiply
    211,763.32x = 317,560.20 × 93,350.50
  4. Step 4: Simplify right side
    211,763.32x = 29,644,403,450.10
  5. Step 5: Solve for x
    x = 29,644,403,450.10/211,763.32
  6. Step 6: Final answer
    x = 139,988.38

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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.