Home / 209,635.14-289,296.84-114,142.22

Finding the Fourth Proportional to 209,635.14, 289,296.84 and 114,142.22

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Solution

The fourth proportional to 209,635.14, 289,296.84 and 114,142.22 is: 157,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,635.14 : 289,296.84 = 114,142.22 : x
  2. Step 2: Convert to fraction form
    209,635.14/289,296.84 = 114,142.22/x
  3. Step 3: Cross multiply
    209,635.14x = 289,296.84 × 114,142.22
  4. Step 4: Simplify right side
    209,635.14x = 33,020,982,110.10
  5. Step 5: Solve for x
    x = 33,020,982,110.10/209,635.14
  6. Step 6: Final answer
    x = 157,516.45

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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.