Home / 209,445.30-289,035.78-113,952.69

Finding the Fourth Proportional to 209,445.30, 289,035.78 and 113,952.69

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Solution

The fourth proportional to 209,445.30, 289,035.78 and 113,952.69 is: 157,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,445.30 : 289,035.78 = 113,952.69 : x
  2. Step 2: Convert to fraction form
    209,445.30/289,035.78 = 113,952.69/x
  3. Step 3: Cross multiply
    209,445.30x = 289,035.78 × 113,952.69
  4. Step 4: Simplify right side
    209,445.30x = 32,936,404,637.25
  5. Step 5: Solve for x
    x = 32,936,404,637.25/209,445.30
  6. Step 6: Final answer
    x = 157,255.40

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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.