Home / 209,517.02-289,127.94-114,021.66

Finding the Fourth Proportional to 209,517.02, 289,127.94 and 114,021.66

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Solution

The fourth proportional to 209,517.02, 289,127.94 and 114,021.66 is: 157,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,517.02 : 289,127.94 = 114,021.66 : x
  2. Step 2: Convert to fraction form
    209,517.02/289,127.94 = 114,021.66/x
  3. Step 3: Cross multiply
    209,517.02x = 289,127.94 × 114,021.66
  4. Step 4: Simplify right side
    209,517.02x = 32,966,847,671.18
  5. Step 5: Solve for x
    x = 32,966,847,671.18/209,517.02
  6. Step 6: Final answer
    x = 157,346.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.