Home / 165,966.95-248,950.03-71,135.64

Finding the Fourth Proportional to 165,966.95, 248,950.03 and 71,135.64

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Solution

The fourth proportional to 165,966.95, 248,950.03 and 71,135.64 is: 106,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,966.95 : 248,950.03 = 71,135.64 : x
  2. Step 2: Convert to fraction form
    165,966.95/248,950.03 = 71,135.64/x
  3. Step 3: Cross multiply
    165,966.95x = 248,950.03 × 71,135.64
  4. Step 4: Simplify right side
    165,966.95x = 17,709,219,712.07
  5. Step 5: Solve for x
    x = 17,709,219,712.07/165,966.95
  6. Step 6: Final answer
    x = 106,703.29

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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.