Home / 209,252.10-288,769.05-123,214.83

Finding the Fourth Proportional to 209,252.10, 288,769.05 and 123,214.83

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Solution

The fourth proportional to 209,252.10, 288,769.05 and 123,214.83 is: 170,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,252.10 : 288,769.05 = 123,214.83 : x
  2. Step 2: Convert to fraction form
    209,252.10/288,769.05 = 123,214.83/x
  3. Step 3: Cross multiply
    209,252.10x = 288,769.05 × 123,214.83
  4. Step 4: Simplify right side
    209,252.10x = 35,580,629,405.01
  5. Step 5: Solve for x
    x = 35,580,629,405.01/209,252.10
  6. Step 6: Final answer
    x = 170,037.14

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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.