Home / 209,646.44-289,307.94-114,154.28

Finding the Fourth Proportional to 209,646.44, 289,307.94 and 114,154.28

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Solution

The fourth proportional to 209,646.44, 289,307.94 and 114,154.28 is: 157,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,646.44 : 289,307.94 = 114,154.28 : x
  2. Step 2: Convert to fraction form
    209,646.44/289,307.94 = 114,154.28/x
  3. Step 3: Cross multiply
    209,646.44x = 289,307.94 × 114,154.28
  4. Step 4: Simplify right side
    209,646.44x = 33,025,739,588.98
  5. Step 5: Solve for x
    x = 33,025,739,588.98/209,646.44
  6. Step 6: Final answer
    x = 157,530.65

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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.