Home / 551,390.22-827,131.50-152,030.70

Finding the Fourth Proportional to 551,390.22, 827,131.50 and 152,030.70

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Solution

The fourth proportional to 551,390.22, 827,131.50 and 152,030.70 is: 228,058.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,390.22 : 827,131.50 = 152,030.70 : x
  2. Step 2: Convert to fraction form
    551,390.22/827,131.50 = 152,030.70/x
  3. Step 3: Cross multiply
    551,390.22x = 827,131.50 × 152,030.70
  4. Step 4: Simplify right side
    551,390.22x = 125,749,380,937.05
  5. Step 5: Solve for x
    x = 125,749,380,937.05/551,390.22
  6. Step 6: Final answer
    x = 228,058.78

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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.