Home / 209,569.66-289,206.16-114,076.35

Finding the Fourth Proportional to 209,569.66, 289,206.16 and 114,076.35

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Solution

The fourth proportional to 209,569.66, 289,206.16 and 114,076.35 is: 157,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,569.66 : 289,206.16 = 114,076.35 : x
  2. Step 2: Convert to fraction form
    209,569.66/289,206.16 = 114,076.35/x
  3. Step 3: Cross multiply
    209,569.66x = 289,206.16 × 114,076.35
  4. Step 4: Simplify right side
    209,569.66x = 32,991,581,684.29
  5. Step 5: Solve for x
    x = 32,991,581,684.29/209,569.66
  6. Step 6: Final answer
    x = 157,425.38

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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.