Home / 209,286.96-288,808.05-113,793.74

Finding the Fourth Proportional to 209,286.96, 288,808.05 and 113,793.74

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Solution

The fourth proportional to 209,286.96, 288,808.05 and 113,793.74 is: 157,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,286.96 : 288,808.05 = 113,793.74 : x
  2. Step 2: Convert to fraction form
    209,286.96/288,808.05 = 113,793.74/x
  3. Step 3: Cross multiply
    209,286.96x = 288,808.05 × 113,793.74
  4. Step 4: Simplify right side
    209,286.96x = 32,864,547,002.86
  5. Step 5: Solve for x
    x = 32,864,547,002.86/209,286.96
  6. Step 6: Final answer
    x = 157,031.03

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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.