Home / 209,162.91-288,646.62-113,669.58

Finding the Fourth Proportional to 209,162.91, 288,646.62 and 113,669.58

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Solution

The fourth proportional to 209,162.91, 288,646.62 and 113,669.58 is: 156,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,162.91 : 288,646.62 = 113,669.58 : x
  2. Step 2: Convert to fraction form
    209,162.91/288,646.62 = 113,669.58/x
  3. Step 3: Cross multiply
    209,162.91x = 288,646.62 × 113,669.58
  4. Step 4: Simplify right side
    209,162.91x = 32,810,340,063.82
  5. Step 5: Solve for x
    x = 32,810,340,063.82/209,162.91
  6. Step 6: Final answer
    x = 156,865.00

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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.