Home / 209,845.84-289,587.28-114,352.52

Finding the Fourth Proportional to 209,845.84, 289,587.28 and 114,352.52

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Solution

The fourth proportional to 209,845.84, 289,587.28 and 114,352.52 is: 157,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845.84 : 289,587.28 = 114,352.52 : x
  2. Step 2: Convert to fraction form
    209,845.84/289,587.28 = 114,352.52/x
  3. Step 3: Cross multiply
    209,845.84x = 289,587.28 × 114,352.52
  4. Step 4: Simplify right side
    209,845.84x = 33,115,035,227.95
  5. Step 5: Solve for x
    x = 33,115,035,227.95/209,845.84
  6. Step 6: Final answer
    x = 157,806.49

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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.