Home / 209,845.14-289,578.96-114,349.92

Finding the Fourth Proportional to 209,845.14, 289,578.96 and 114,349.92

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Solution

The fourth proportional to 209,845.14, 289,578.96 and 114,349.92 is: 157,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,845.14 : 289,578.96 = 114,349.92 : x
  2. Step 2: Convert to fraction form
    209,845.14/289,578.96 = 114,349.92/x
  3. Step 3: Cross multiply
    209,845.14x = 289,578.96 × 114,349.92
  4. Step 4: Simplify right side
    209,845.14x = 33,113,330,909.68
  5. Step 5: Solve for x
    x = 33,113,330,909.68/209,845.14
  6. Step 6: Final answer
    x = 157,798.89

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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.