Home / 161,918.67-242,877.79-43,590.14

Finding the Fourth Proportional to 161,918.67, 242,877.79 and 43,590.14

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Solution

The fourth proportional to 161,918.67, 242,877.79 and 43,590.14 is: 65,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,918.67 : 242,877.79 = 43,590.14 : x
  2. Step 2: Convert to fraction form
    161,918.67/242,877.79 = 43,590.14/x
  3. Step 3: Cross multiply
    161,918.67x = 242,877.79 × 43,590.14
  4. Step 4: Simplify right side
    161,918.67x = 10,587,076,868.99
  5. Step 5: Solve for x
    x = 10,587,076,868.99/161,918.67
  6. Step 6: Final answer
    x = 65,385.15

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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.