Home / 209,854.73-289,591.10-114,359.38

Finding the Fourth Proportional to 209,854.73, 289,591.10 and 114,359.38

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Solution

The fourth proportional to 209,854.73, 289,591.10 and 114,359.38 is: 157,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,854.73 : 289,591.10 = 114,359.38 : x
  2. Step 2: Convert to fraction form
    209,854.73/289,591.10 = 114,359.38/x
  3. Step 3: Cross multiply
    209,854.73x = 289,591.10 × 114,359.38
  4. Step 4: Simplify right side
    209,854.73x = 33,117,457,782.59
  5. Step 5: Solve for x
    x = 33,117,457,782.59/209,854.73
  6. Step 6: Final answer
    x = 157,811.35

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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.