Home / 161,429.73-242,128.17-43,113.03

Finding the Fourth Proportional to 161,429.73, 242,128.17 and 43,113.03

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Solution

The fourth proportional to 161,429.73, 242,128.17 and 43,113.03 is: 64,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,429.73 : 242,128.17 = 43,113.03 : x
  2. Step 2: Convert to fraction form
    161,429.73/242,128.17 = 43,113.03/x
  3. Step 3: Cross multiply
    161,429.73x = 242,128.17 × 43,113.03
  4. Step 4: Simplify right side
    161,429.73x = 10,438,879,057.06
  5. Step 5: Solve for x
    x = 10,438,879,057.06/161,429.73
  6. Step 6: Final answer
    x = 64,665.16

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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.