Home / 233,056.36-321,642.44-142,465.36

Finding the Fourth Proportional to 233,056.36, 321,642.44 and 142,465.36

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Solution

The fourth proportional to 233,056.36, 321,642.44 and 142,465.36 is: 196,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,056.36 : 321,642.44 = 142,465.36 : x
  2. Step 2: Convert to fraction form
    233,056.36/321,642.44 = 142,465.36/x
  3. Step 3: Cross multiply
    233,056.36x = 321,642.44 × 142,465.36
  4. Step 4: Simplify right side
    233,056.36x = 45,822,906,005.88
  5. Step 5: Solve for x
    x = 45,822,906,005.88/233,056.36
  6. Step 6: Final answer
    x = 196,617.27

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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.