Home / 209,265.67-288,785.20-113,772.37

Finding the Fourth Proportional to 209,265.67, 288,785.20 and 113,772.37

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Solution

The fourth proportional to 209,265.67, 288,785.20 and 113,772.37 is: 157,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,265.67 : 288,785.20 = 113,772.37 : x
  2. Step 2: Convert to fraction form
    209,265.67/288,785.20 = 113,772.37/x
  3. Step 3: Cross multiply
    209,265.67x = 288,785.20 × 113,772.37
  4. Step 4: Simplify right side
    209,265.67x = 32,855,776,624.92
  5. Step 5: Solve for x
    x = 32,855,776,624.92/209,265.67
  6. Step 6: Final answer
    x = 157,005.10

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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.