Home / 131,797.02-181,880.76-71,367.66

Finding the Fourth Proportional to 131,797.02, 181,880.76 and 71,367.66

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Solution

The fourth proportional to 131,797.02, 181,880.76 and 71,367.66 is: 98,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,797.02 : 181,880.76 = 71,367.66 : x
  2. Step 2: Convert to fraction form
    131,797.02/181,880.76 = 71,367.66/x
  3. Step 3: Cross multiply
    131,797.02x = 181,880.76 × 71,367.66
  4. Step 4: Simplify right side
    131,797.02x = 12,980,403,394.15
  5. Step 5: Solve for x
    x = 12,980,403,394.15/131,797.02
  6. Step 6: Final answer
    x = 98,487.84

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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.