Home / 223,056.08-307,813.52-122,453.36

Finding the Fourth Proportional to 223,056.08, 307,813.52 and 122,453.36

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Solution

The fourth proportional to 223,056.08, 307,813.52 and 122,453.36 is: 168,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,056.08 : 307,813.52 = 122,453.36 : x
  2. Step 2: Convert to fraction form
    223,056.08/307,813.52 = 122,453.36/x
  3. Step 3: Cross multiply
    223,056.08x = 307,813.52 × 122,453.36
  4. Step 4: Simplify right side
    223,056.08x = 37,692,799,777.43
  5. Step 5: Solve for x
    x = 37,692,799,777.43/223,056.08
  6. Step 6: Final answer
    x = 168,983.51

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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.