Home / 209,103.10-313,666.67-59,331.67

Finding the Fourth Proportional to 209,103.10, 313,666.67 and 59,331.67

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Solution

The fourth proportional to 209,103.10, 313,666.67 and 59,331.67 is: 89,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,103.10 : 313,666.67 = 59,331.67 : x
  2. Step 2: Convert to fraction form
    209,103.10/313,666.67 = 59,331.67/x
  3. Step 3: Cross multiply
    209,103.10x = 313,666.67 × 59,331.67
  4. Step 4: Simplify right side
    209,103.10x = 18,610,367,354.44
  5. Step 5: Solve for x
    x = 18,610,367,354.44/209,103.10
  6. Step 6: Final answer
    x = 89,000.92

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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.