Home / 161,981.88-242,973.12-83,052.96

Finding the Fourth Proportional to 161,981.88, 242,973.12 and 83,052.96

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Solution

The fourth proportional to 161,981.88, 242,973.12 and 83,052.96 is: 124,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,981.88 : 242,973.12 = 83,052.96 : x
  2. Step 2: Convert to fraction form
    161,981.88/242,973.12 = 83,052.96/x
  3. Step 3: Cross multiply
    161,981.88x = 242,973.12 × 83,052.96
  4. Step 4: Simplify right side
    161,981.88x = 20,179,636,816.44
  5. Step 5: Solve for x
    x = 20,179,636,816.44/161,981.88
  6. Step 6: Final answer
    x = 124,579.59

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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.