Home / 161,661.05-242,304.48-76,326.02

Finding the Fourth Proportional to 161,661.05, 242,304.48 and 76,326.02

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Solution

The fourth proportional to 161,661.05, 242,304.48 and 76,326.02 is: 114,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661.05 : 242,304.48 = 76,326.02 : x
  2. Step 2: Convert to fraction form
    161,661.05/242,304.48 = 76,326.02/x
  3. Step 3: Cross multiply
    161,661.05x = 242,304.48 × 76,326.02
  4. Step 4: Simplify right side
    161,661.05x = 18,494,136,586.57
  5. Step 5: Solve for x
    x = 18,494,136,586.57/161,661.05
  6. Step 6: Final answer
    x = 114,400.70

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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.