Home / 209,617.14-289,272.84-114,123.60

Finding the Fourth Proportional to 209,617.14, 289,272.84 and 114,123.60

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Solution

The fourth proportional to 209,617.14, 289,272.84 and 114,123.60 is: 157,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,617.14 : 289,272.84 = 114,123.60 : x
  2. Step 2: Convert to fraction form
    209,617.14/289,272.84 = 114,123.60/x
  3. Step 3: Cross multiply
    209,617.14x = 289,272.84 × 114,123.60
  4. Step 4: Simplify right side
    209,617.14x = 33,012,857,883.02
  5. Step 5: Solve for x
    x = 33,012,857,883.02/209,617.14
  6. Step 6: Final answer
    x = 157,491.21

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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.