Home / 209,820.47-289,552.31-114,327.14

Finding the Fourth Proportional to 209,820.47, 289,552.31 and 114,327.14

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Solution

The fourth proportional to 209,820.47, 289,552.31 and 114,327.14 is: 157,771.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,820.47 : 289,552.31 = 114,327.14 : x
  2. Step 2: Convert to fraction form
    209,820.47/289,552.31 = 114,327.14/x
  3. Step 3: Cross multiply
    209,820.47x = 289,552.31 × 114,327.14
  4. Step 4: Simplify right side
    209,820.47x = 33,103,685,463.30
  5. Step 5: Solve for x
    x = 33,103,685,463.30/209,820.47
  6. Step 6: Final answer
    x = 157,771.48

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1.5x scale

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.