Home / 165,629.20-248,443.80-146,602.30

Finding the Fourth Proportional to 165,629.20, 248,443.80 and 146,602.30

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Solution

The fourth proportional to 165,629.20, 248,443.80 and 146,602.30 is: 219,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.20 : 248,443.80 = 146,602.30 : x
  2. Step 2: Convert to fraction form
    165,629.20/248,443.80 = 146,602.30/x
  3. Step 3: Cross multiply
    165,629.20x = 248,443.80 × 146,602.30
  4. Step 4: Simplify right side
    165,629.20x = 36,422,432,500.74
  5. Step 5: Solve for x
    x = 36,422,432,500.74/165,629.20
  6. Step 6: Final answer
    x = 219,903.45

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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.