Home / 223,368.32-308,249.28-122,772.80

Finding the Fourth Proportional to 223,368.32, 308,249.28 and 122,772.80

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Solution

The fourth proportional to 223,368.32, 308,249.28 and 122,772.80 is: 169,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,368.32 : 308,249.28 = 122,772.80 : x
  2. Step 2: Convert to fraction form
    223,368.32/308,249.28 = 122,772.80/x
  3. Step 3: Cross multiply
    223,368.32x = 308,249.28 × 122,772.80
  4. Step 4: Simplify right side
    223,368.32x = 37,844,627,203.58
  5. Step 5: Solve for x
    x = 37,844,627,203.58/223,368.32
  6. Step 6: Final answer
    x = 169,427.01

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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.