Home / 259,112.18-357,411.18-178,399.53

Finding the Fourth Proportional to 259,112.18, 357,411.18 and 178,399.53

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Solution

The fourth proportional to 259,112.18, 357,411.18 and 178,399.53 is: 246,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,112.18 : 357,411.18 = 178,399.53 : x
  2. Step 2: Convert to fraction form
    259,112.18/357,411.18 = 178,399.53/x
  3. Step 3: Cross multiply
    259,112.18x = 357,411.18 × 178,399.53
  4. Step 4: Simplify right side
    259,112.18x = 63,761,987,197.74
  5. Step 5: Solve for x
    x = 63,761,987,197.74/259,112.18
  6. Step 6: Final answer
    x = 246,078.69

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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.