Home / 209,239.65-288,747.32-113,748.75

Finding the Fourth Proportional to 209,239.65, 288,747.32 and 113,748.75

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Solution

The fourth proportional to 209,239.65, 288,747.32 and 113,748.75 is: 156,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,239.65 : 288,747.32 = 113,748.75 : x
  2. Step 2: Convert to fraction form
    209,239.65/288,747.32 = 113,748.75/x
  3. Step 3: Cross multiply
    209,239.65x = 288,747.32 × 113,748.75
  4. Step 4: Simplify right side
    209,239.65x = 32,844,646,147.11
  5. Step 5: Solve for x
    x = 32,844,646,147.11/209,239.65
  6. Step 6: Final answer
    x = 156,971.43

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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.