Home / 209,433.57-314,057.16-59,639.85

Finding the Fourth Proportional to 209,433.57, 314,057.16 and 59,639.85

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Solution

The fourth proportional to 209,433.57, 314,057.16 and 59,639.85 is: 89,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,433.57 : 314,057.16 = 59,639.85 : x
  2. Step 2: Convert to fraction form
    209,433.57/314,057.16 = 59,639.85/x
  3. Step 3: Cross multiply
    209,433.57x = 314,057.16 × 59,639.85
  4. Step 4: Simplify right side
    209,433.57x = 18,730,321,913.83
  5. Step 5: Solve for x
    x = 18,730,321,913.83/209,433.57
  6. Step 6: Final answer
    x = 89,433.24

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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.