Home / 308,270.32-462,350.97-83,648.26

Finding the Fourth Proportional to 308,270.32, 462,350.97 and 83,648.26

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Solution

The fourth proportional to 308,270.32, 462,350.97 and 83,648.26 is: 125,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,270.32 : 462,350.97 = 83,648.26 : x
  2. Step 2: Convert to fraction form
    308,270.32/462,350.97 = 83,648.26/x
  3. Step 3: Cross multiply
    308,270.32x = 462,350.97 × 83,648.26
  4. Step 4: Simplify right side
    308,270.32x = 38,674,854,727.75
  5. Step 5: Solve for x
    x = 38,674,854,727.75/308,270.32
  6. Step 6: Final answer
    x = 125,457.60

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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.