Home / 308,226.47-462,338.55-83,586.33

Finding the Fourth Proportional to 308,226.47, 462,338.55 and 83,586.33

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Solution

The fourth proportional to 308,226.47, 462,338.55 and 83,586.33 is: 125,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,226.47 : 462,338.55 = 83,586.33 : x
  2. Step 2: Convert to fraction form
    308,226.47/462,338.55 = 83,586.33/x
  3. Step 3: Cross multiply
    308,226.47x = 462,338.55 × 83,586.33
  4. Step 4: Simplify right side
    308,226.47x = 38,645,182,612.02
  5. Step 5: Solve for x
    x = 38,645,182,612.02/308,226.47
  6. Step 6: Final answer
    x = 125,379.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.