Home / 203,109.31-304,483.20-96,427.45

Finding the Fourth Proportional to 203,109.31, 304,483.20 and 96,427.45

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Solution

The fourth proportional to 203,109.31, 304,483.20 and 96,427.45 is: 144,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,109.31 : 304,483.20 = 96,427.45 : x
  2. Step 2: Convert to fraction form
    203,109.31/304,483.20 = 96,427.45/x
  3. Step 3: Cross multiply
    203,109.31x = 304,483.20 × 96,427.45
  4. Step 4: Simplify right side
    203,109.31x = 29,360,538,543.84
  5. Step 5: Solve for x
    x = 29,360,538,543.84/203,109.31
  6. Step 6: Final answer
    x = 144,555.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.