Home / 145,837.20-218,755.80-62,893.20

Finding the Fourth Proportional to 145,837.20, 218,755.80 and 62,893.20

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Solution

The fourth proportional to 145,837.20, 218,755.80 and 62,893.20 is: 94,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,837.20 : 218,755.80 = 62,893.20 : x
  2. Step 2: Convert to fraction form
    145,837.20/218,755.80 = 62,893.20/x
  3. Step 3: Cross multiply
    145,837.20x = 218,755.80 × 62,893.20
  4. Step 4: Simplify right side
    145,837.20x = 13,758,252,280.56
  5. Step 5: Solve for x
    x = 13,758,252,280.56/145,837.20
  6. Step 6: Final answer
    x = 94,339.80

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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.