Home / 207,246.80-309,357.10-177,853.52

Finding the Fourth Proportional to 207,246.80, 309,357.10 and 177,853.52

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Solution

The fourth proportional to 207,246.80, 309,357.10 and 177,853.52 is: 265,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.80 : 309,357.10 = 177,853.52 : x
  2. Step 2: Convert to fraction form
    207,246.80/309,357.10 = 177,853.52/x
  3. Step 3: Cross multiply
    207,246.80x = 309,357.10 × 177,853.52
  4. Step 4: Simplify right side
    207,246.80x = 55,020,249,171.99
  5. Step 5: Solve for x
    x = 55,020,249,171.99/207,246.80
  6. Step 6: Final answer
    x = 265,481.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.