Home / 160,131.93-220,959.48-91,223.21

Finding the Fourth Proportional to 160,131.93, 220,959.48 and 91,223.21

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Solution

The fourth proportional to 160,131.93, 220,959.48 and 91,223.21 is: 125,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,131.93 : 220,959.48 = 91,223.21 : x
  2. Step 2: Convert to fraction form
    160,131.93/220,959.48 = 91,223.21/x
  3. Step 3: Cross multiply
    160,131.93x = 220,959.48 × 91,223.21
  4. Step 4: Simplify right side
    160,131.93x = 20,156,631,940.73
  5. Step 5: Solve for x
    x = 20,156,631,940.73/160,131.93
  6. Step 6: Final answer
    x = 125,875.16

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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.