Home / 161,318.68-242,008.54-53,254.15

Finding the Fourth Proportional to 161,318.68, 242,008.54 and 53,254.15

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Solution

The fourth proportional to 161,318.68, 242,008.54 and 53,254.15 is: 79,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,318.68 : 242,008.54 = 53,254.15 : x
  2. Step 2: Convert to fraction form
    161,318.68/242,008.54 = 53,254.15/x
  3. Step 3: Cross multiply
    161,318.68x = 242,008.54 × 53,254.15
  4. Step 4: Simplify right side
    161,318.68x = 12,887,959,090.44
  5. Step 5: Solve for x
    x = 12,887,959,090.44/161,318.68
  6. Step 6: Final answer
    x = 79,891.30

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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.