Home / 165,525.50-248,312.95-76,787.97

Finding the Fourth Proportional to 165,525.50, 248,312.95 and 76,787.97

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Solution

The fourth proportional to 165,525.50, 248,312.95 and 76,787.97 is: 115,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,525.50 : 248,312.95 = 76,787.97 : x
  2. Step 2: Convert to fraction form
    165,525.50/248,312.95 = 76,787.97/x
  3. Step 3: Cross multiply
    165,525.50x = 248,312.95 × 76,787.97
  4. Step 4: Simplify right side
    165,525.50x = 19,067,447,163.24
  5. Step 5: Solve for x
    x = 19,067,447,163.24/165,525.50
  6. Step 6: Final answer
    x = 115,193.42

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1.5x scale

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.