Home / 181,982.84-251,132.88-99,197.55

Finding the Fourth Proportional to 181,982.84, 251,132.88 and 99,197.55

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Solution

The fourth proportional to 181,982.84, 251,132.88 and 99,197.55 is: 136,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,982.84 : 251,132.88 = 99,197.55 : x
  2. Step 2: Convert to fraction form
    181,982.84/251,132.88 = 99,197.55/x
  3. Step 3: Cross multiply
    181,982.84x = 251,132.88 × 99,197.55
  4. Step 4: Simplify right side
    181,982.84x = 24,911,766,420.44
  5. Step 5: Solve for x
    x = 24,911,766,420.44/181,982.84
  6. Step 6: Final answer
    x = 136,890.74

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1.5x scale

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.