Home / 155,107.39-232,707.80-55,254.55

Finding the Fourth Proportional to 155,107.39, 232,707.80 and 55,254.55

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Solution

The fourth proportional to 155,107.39, 232,707.80 and 55,254.55 is: 82,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,107.39 : 232,707.80 = 55,254.55 : x
  2. Step 2: Convert to fraction form
    155,107.39/232,707.80 = 55,254.55/x
  3. Step 3: Cross multiply
    155,107.39x = 232,707.80 × 55,254.55
  4. Step 4: Simplify right side
    155,107.39x = 12,858,164,494.22
  5. Step 5: Solve for x
    x = 12,858,164,494.22/155,107.39
  6. Step 6: Final answer
    x = 82,898.46

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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.