Home / 223,267.32-308,113.74-122,671.80

Finding the Fourth Proportional to 223,267.32, 308,113.74 and 122,671.80

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Solution

The fourth proportional to 223,267.32, 308,113.74 and 122,671.80 is: 169,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,267.32 : 308,113.74 = 122,671.80 : x
  2. Step 2: Convert to fraction form
    223,267.32/308,113.74 = 122,671.80/x
  3. Step 3: Cross multiply
    223,267.32x = 308,113.74 × 122,671.80
  4. Step 4: Simplify right side
    223,267.32x = 37,796,867,090.53
  5. Step 5: Solve for x
    x = 37,796,867,090.53/223,267.32
  6. Step 6: Final answer
    x = 169,289.74

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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.