Home / 145,733.80-218,575.50-40,553.32

Finding the Fourth Proportional to 145,733.80, 218,575.50 and 40,553.32

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Solution

The fourth proportional to 145,733.80, 218,575.50 and 40,553.32 is: 60,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,733.80 : 218,575.50 = 40,553.32 : x
  2. Step 2: Convert to fraction form
    145,733.80/218,575.50 = 40,553.32/x
  3. Step 3: Cross multiply
    145,733.80x = 218,575.50 × 40,553.32
  4. Step 4: Simplify right side
    145,733.80x = 8,863,962,195.66
  5. Step 5: Solve for x
    x = 8,863,962,195.66/145,733.80
  6. Step 6: Final answer
    x = 60,822.97

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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.