Home / 209,799.35-289,523.13-114,306.05

Finding the Fourth Proportional to 209,799.35, 289,523.13 and 114,306.05

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Solution

The fourth proportional to 209,799.35, 289,523.13 and 114,306.05 is: 157,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,799.35 : 289,523.13 = 114,306.05 : x
  2. Step 2: Convert to fraction form
    209,799.35/289,523.13 = 114,306.05/x
  3. Step 3: Cross multiply
    209,799.35x = 289,523.13 × 114,306.05
  4. Step 4: Simplify right side
    209,799.35x = 33,094,245,669.10
  5. Step 5: Solve for x
    x = 33,094,245,669.10/209,799.35
  6. Step 6: Final answer
    x = 157,742.37

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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.