Home / 165,895.40-248,726.46-77,054.60

Finding the Fourth Proportional to 165,895.40, 248,726.46 and 77,054.60

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Solution

The fourth proportional to 165,895.40, 248,726.46 and 77,054.60 is: 115,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,895.40 : 248,726.46 = 77,054.60 : x
  2. Step 2: Convert to fraction form
    165,895.40/248,726.46 = 77,054.60/x
  3. Step 3: Cross multiply
    165,895.40x = 248,726.46 × 77,054.60
  4. Step 4: Simplify right side
    165,895.40x = 19,165,517,884.72
  5. Step 5: Solve for x
    x = 19,165,517,884.72/165,895.40
  6. Step 6: Final answer
    x = 115,527.72

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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.