Home / 165,525.93-248,116.50-76,706.46

Finding the Fourth Proportional to 165,525.93, 248,116.50 and 76,706.46

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Solution

The fourth proportional to 165,525.93, 248,116.50 and 76,706.46 is: 114,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,525.93 : 248,116.50 = 76,706.46 : x
  2. Step 2: Convert to fraction form
    165,525.93/248,116.50 = 76,706.46/x
  3. Step 3: Cross multiply
    165,525.93x = 248,116.50 × 76,706.46
  4. Step 4: Simplify right side
    165,525.93x = 19,032,138,382.59
  5. Step 5: Solve for x
    x = 19,032,138,382.59/165,525.93
  6. Step 6: Final answer
    x = 114,979.80

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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.