Home / 145,793.05-218,656.77-52,298.80

Finding the Fourth Proportional to 145,793.05, 218,656.77 and 52,298.80

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Solution

The fourth proportional to 145,793.05, 218,656.77 and 52,298.80 is: 78,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,793.05 : 218,656.77 = 52,298.80 : x
  2. Step 2: Convert to fraction form
    145,793.05/218,656.77 = 52,298.80/x
  3. Step 3: Cross multiply
    145,793.05x = 218,656.77 × 52,298.80
  4. Step 4: Simplify right side
    145,793.05x = 11,435,485,940.11
  5. Step 5: Solve for x
    x = 11,435,485,940.11/145,793.05
  6. Step 6: Final answer
    x = 78,436.43

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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.