Home / 160,345.24-221,273.31-88,725.31

Finding the Fourth Proportional to 160,345.24, 221,273.31 and 88,725.31

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Solution

The fourth proportional to 160,345.24, 221,273.31 and 88,725.31 is: 122,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,345.24 : 221,273.31 = 88,725.31 : x
  2. Step 2: Convert to fraction form
    160,345.24/221,273.31 = 88,725.31/x
  3. Step 3: Cross multiply
    160,345.24x = 221,273.31 × 88,725.31
  4. Step 4: Simplify right side
    160,345.24x = 19,632,543,024.48
  5. Step 5: Solve for x
    x = 19,632,543,024.48/160,345.24
  6. Step 6: Final answer
    x = 122,439.20

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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.