Home / 209,166.46-288,651.94-113,673.15

Finding the Fourth Proportional to 209,166.46, 288,651.94 and 113,673.15

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Solution

The fourth proportional to 209,166.46, 288,651.94 and 113,673.15 is: 156,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,166.46 : 288,651.94 = 113,673.15 : x
  2. Step 2: Convert to fraction form
    209,166.46/288,651.94 = 113,673.15/x
  3. Step 3: Cross multiply
    209,166.46x = 288,651.94 × 113,673.15
  4. Step 4: Simplify right side
    209,166.46x = 32,811,974,989.23
  5. Step 5: Solve for x
    x = 32,811,974,989.23/209,166.46
  6. Step 6: Final answer
    x = 156,870.16

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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.