Home / 153,959.70-230,971.95-48,789.30

Finding the Fourth Proportional to 153,959.70, 230,971.95 and 48,789.30

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Solution

The fourth proportional to 153,959.70, 230,971.95 and 48,789.30 is: 73,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,959.70 : 230,971.95 = 48,789.30 : x
  2. Step 2: Convert to fraction form
    153,959.70/230,971.95 = 48,789.30/x
  3. Step 3: Cross multiply
    153,959.70x = 230,971.95 × 48,789.30
  4. Step 4: Simplify right side
    153,959.70x = 11,268,959,760.14
  5. Step 5: Solve for x
    x = 11,268,959,760.14/153,959.70
  6. Step 6: Final answer
    x = 73,194.22

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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.