Home / 161,656.02-242,516.43-68,162.58

Finding the Fourth Proportional to 161,656.02, 242,516.43 and 68,162.58

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Solution

The fourth proportional to 161,656.02, 242,516.43 and 68,162.58 is: 102,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,656.02 : 242,516.43 = 68,162.58 : x
  2. Step 2: Convert to fraction form
    161,656.02/242,516.43 = 68,162.58/x
  3. Step 3: Cross multiply
    161,656.02x = 242,516.43 × 68,162.58
  4. Step 4: Simplify right side
    161,656.02x = 16,530,545,561.19
  5. Step 5: Solve for x
    x = 16,530,545,561.19/161,656.02
  6. Step 6: Final answer
    x = 102,257.53

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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.