Home / 161,825.90-242,556.60-77,626.40

Finding the Fourth Proportional to 161,825.90, 242,556.60 and 77,626.40

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Solution

The fourth proportional to 161,825.90, 242,556.60 and 77,626.40 is: 116,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,825.90 : 242,556.60 = 77,626.40 : x
  2. Step 2: Convert to fraction form
    161,825.90/242,556.60 = 77,626.40/x
  3. Step 3: Cross multiply
    161,825.90x = 242,556.60 × 77,626.40
  4. Step 4: Simplify right side
    161,825.90x = 18,828,795,654.24
  5. Step 5: Solve for x
    x = 18,828,795,654.24/161,825.90
  6. Step 6: Final answer
    x = 116,352.18

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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.