Home / 209,849.18-289,591.40-114,355.64

Finding the Fourth Proportional to 209,849.18, 289,591.40 and 114,355.64

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Solution

The fourth proportional to 209,849.18, 289,591.40 and 114,355.64 is: 157,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.18 : 289,591.40 = 114,355.64 : x
  2. Step 2: Convert to fraction form
    209,849.18/289,591.40 = 114,355.64/x
  3. Step 3: Cross multiply
    209,849.18x = 289,591.40 × 114,355.64
  4. Step 4: Simplify right side
    209,849.18x = 33,116,407,865.76
  5. Step 5: Solve for x
    x = 33,116,407,865.76/209,849.18
  6. Step 6: Final answer
    x = 157,810.52

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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.