Home / 209,022.30-288,447.66-113,528.16

Finding the Fourth Proportional to 209,022.30, 288,447.66 and 113,528.16

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Solution

The fourth proportional to 209,022.30, 288,447.66 and 113,528.16 is: 156,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,022.30 : 288,447.66 = 113,528.16 : x
  2. Step 2: Convert to fraction form
    209,022.30/288,447.66 = 113,528.16/x
  3. Step 3: Cross multiply
    209,022.30x = 288,447.66 × 113,528.16
  4. Step 4: Simplify right side
    209,022.30x = 32,746,932,096.11
  5. Step 5: Solve for x
    x = 32,746,932,096.11/209,022.30
  6. Step 6: Final answer
    x = 156,667.17

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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.