Home / 213,985.86-295,249.78-126,726.90

Finding the Fourth Proportional to 213,985.86, 295,249.78 and 126,726.90

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Solution

The fourth proportional to 213,985.86, 295,249.78 and 126,726.90 is: 174,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,985.86 : 295,249.78 = 126,726.90 : x
  2. Step 2: Convert to fraction form
    213,985.86/295,249.78 = 126,726.90/x
  3. Step 3: Cross multiply
    213,985.86x = 295,249.78 × 126,726.90
  4. Step 4: Simplify right side
    213,985.86x = 37,416,091,243.89
  5. Step 5: Solve for x
    x = 37,416,091,243.89/213,985.86
  6. Step 6: Final answer
    x = 174,853.10

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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.