Home / 161,720.24-242,655.69-61,847.54

Finding the Fourth Proportional to 161,720.24, 242,655.69 and 61,847.54

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Solution

The fourth proportional to 161,720.24, 242,655.69 and 61,847.54 is: 92,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,720.24 : 242,655.69 = 61,847.54 : x
  2. Step 2: Convert to fraction form
    161,720.24/242,655.69 = 61,847.54/x
  3. Step 3: Cross multiply
    161,720.24x = 242,655.69 × 61,847.54
  4. Step 4: Simplify right side
    161,720.24x = 15,007,657,493.50
  5. Step 5: Solve for x
    x = 15,007,657,493.50/161,720.24
  6. Step 6: Final answer
    x = 92,800.12

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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.