Home / 326,895.10-490,306.20-113,626.16

Finding the Fourth Proportional to 326,895.10, 490,306.20 and 113,626.16

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Solution

The fourth proportional to 326,895.10, 490,306.20 and 113,626.16 is: 170,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,895.10 : 490,306.20 = 113,626.16 : x
  2. Step 2: Convert to fraction form
    326,895.10/490,306.20 = 113,626.16/x
  3. Step 3: Cross multiply
    326,895.10x = 490,306.20 × 113,626.16
  4. Step 4: Simplify right side
    326,895.10x = 55,711,610,730.19
  5. Step 5: Solve for x
    x = 55,711,610,730.19/326,895.10
  6. Step 6: Final answer
    x = 170,426.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.