Home / 161,360.85-242,107.50-71,356.08

Finding the Fourth Proportional to 161,360.85, 242,107.50 and 71,356.08

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Solution

The fourth proportional to 161,360.85, 242,107.50 and 71,356.08 is: 107,063.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,360.85 : 242,107.50 = 71,356.08 : x
  2. Step 2: Convert to fraction form
    161,360.85/242,107.50 = 71,356.08/x
  3. Step 3: Cross multiply
    161,360.85x = 242,107.50 × 71,356.08
  4. Step 4: Simplify right side
    161,360.85x = 17,275,842,138.60
  5. Step 5: Solve for x
    x = 17,275,842,138.60/161,360.85
  6. Step 6: Final answer
    x = 107,063.41

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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.