Home / 136,026.02-187,711.42-74,772.42

Finding the Fourth Proportional to 136,026.02, 187,711.42 and 74,772.42

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Solution

The fourth proportional to 136,026.02, 187,711.42 and 74,772.42 is: 103,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,026.02 : 187,711.42 = 74,772.42 : x
  2. Step 2: Convert to fraction form
    136,026.02/187,711.42 = 74,772.42/x
  3. Step 3: Cross multiply
    136,026.02x = 187,711.42 × 74,772.42
  4. Step 4: Simplify right side
    136,026.02x = 14,035,635,822.62
  5. Step 5: Solve for x
    x = 14,035,635,822.62/136,026.02
  6. Step 6: Final answer
    x = 103,183.46

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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.