Home / 209,354.85-313,985.09-59,591.82

Finding the Fourth Proportional to 209,354.85, 313,985.09 and 59,591.82

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Solution

The fourth proportional to 209,354.85, 313,985.09 and 59,591.82 is: 89,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,354.85 : 313,985.09 = 59,591.82 : x
  2. Step 2: Convert to fraction form
    209,354.85/313,985.09 = 59,591.82/x
  3. Step 3: Cross multiply
    209,354.85x = 313,985.09 × 59,591.82
  4. Step 4: Simplify right side
    209,354.85x = 18,710,942,965.96
  5. Step 5: Solve for x
    x = 18,710,942,965.96/209,354.85
  6. Step 6: Final answer
    x = 89,374.30

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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.