Home / 209,044.72-288,487.08-113,556.88

Finding the Fourth Proportional to 209,044.72, 288,487.08 and 113,556.88

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Solution

The fourth proportional to 209,044.72, 288,487.08 and 113,556.88 is: 156,711.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,044.72 : 288,487.08 = 113,556.88 : x
  2. Step 2: Convert to fraction form
    209,044.72/288,487.08 = 113,556.88/x
  3. Step 3: Cross multiply
    209,044.72x = 288,487.08 × 113,556.88
  4. Step 4: Simplify right side
    209,044.72x = 32,759,692,725.11
  5. Step 5: Solve for x
    x = 32,759,692,725.11/209,044.72
  6. Step 6: Final answer
    x = 156,711.41

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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.