Home / 209,200.14-288,697.23-113,708.70

Finding the Fourth Proportional to 209,200.14, 288,697.23 and 113,708.70

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Solution

The fourth proportional to 209,200.14, 288,697.23 and 113,708.70 is: 156,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,200.14 : 288,697.23 = 113,708.70 : x
  2. Step 2: Convert to fraction form
    209,200.14/288,697.23 = 113,708.70/x
  3. Step 3: Cross multiply
    209,200.14x = 288,697.23 × 113,708.70
  4. Step 4: Simplify right side
    209,200.14x = 32,827,386,716.90
  5. Step 5: Solve for x
    x = 32,827,386,716.90/209,200.14
  6. Step 6: Final answer
    x = 156,918.57

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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.