Home / 161,448.90-242,194.52-53,342.36

Finding the Fourth Proportional to 161,448.90, 242,194.52 and 53,342.36

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Solution

The fourth proportional to 161,448.90, 242,194.52 and 53,342.36 is: 80,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,448.90 : 242,194.52 = 53,342.36 : x
  2. Step 2: Convert to fraction form
    161,448.90/242,194.52 = 53,342.36/x
  3. Step 3: Cross multiply
    161,448.90x = 242,194.52 × 53,342.36
  4. Step 4: Simplify right side
    161,448.90x = 12,919,227,275.87
  5. Step 5: Solve for x
    x = 12,919,227,275.87/161,448.90
  6. Step 6: Final answer
    x = 80,020.53

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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.