Home / 209,337.03-288,877.05-113,843.84

Finding the Fourth Proportional to 209,337.03, 288,877.05 and 113,843.84

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Solution

The fourth proportional to 209,337.03, 288,877.05 and 113,843.84 is: 157,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,337.03 : 288,877.05 = 113,843.84 : x
  2. Step 2: Convert to fraction form
    209,337.03/288,877.05 = 113,843.84/x
  3. Step 3: Cross multiply
    209,337.03x = 288,877.05 × 113,843.84
  4. Step 4: Simplify right side
    209,337.03x = 32,886,872,659.87
  5. Step 5: Solve for x
    x = 32,886,872,659.87/209,337.03
  6. Step 6: Final answer
    x = 157,100.12

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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.