Home / 242,447.40-363,498.30-92,629.80

Finding the Fourth Proportional to 242,447.40, 363,498.30 and 92,629.80

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Solution

The fourth proportional to 242,447.40, 363,498.30 and 92,629.80 is: 138,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,447.40 : 363,498.30 = 92,629.80 : x
  2. Step 2: Convert to fraction form
    242,447.40/363,498.30 = 92,629.80/x
  3. Step 3: Cross multiply
    242,447.40x = 363,498.30 × 92,629.80
  4. Step 4: Simplify right side
    242,447.40x = 33,670,774,829.34
  5. Step 5: Solve for x
    x = 33,670,774,829.34/242,447.40
  6. Step 6: Final answer
    x = 138,878.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.