Home / 185,074.66-255,398.31-103,403.53

Finding the Fourth Proportional to 185,074.66, 255,398.31 and 103,403.53

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Solution

The fourth proportional to 185,074.66, 255,398.31 and 103,403.53 is: 142,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,074.66 : 255,398.31 = 103,403.53 : x
  2. Step 2: Convert to fraction form
    185,074.66/255,398.31 = 103,403.53/x
  3. Step 3: Cross multiply
    185,074.66x = 255,398.31 × 103,403.53
  4. Step 4: Simplify right side
    185,074.66x = 26,409,086,810.03
  5. Step 5: Solve for x
    x = 26,409,086,810.03/185,074.66
  6. Step 6: Final answer
    x = 142,694.23

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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.