Home / 161,769.20-242,567.40-56,591.60

Finding the Fourth Proportional to 161,769.20, 242,567.40 and 56,591.60

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Solution

The fourth proportional to 161,769.20, 242,567.40 and 56,591.60 is: 84,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,769.20 : 242,567.40 = 56,591.60 : x
  2. Step 2: Convert to fraction form
    161,769.20/242,567.40 = 56,591.60/x
  3. Step 3: Cross multiply
    161,769.20x = 242,567.40 × 56,591.60
  4. Step 4: Simplify right side
    161,769.20x = 13,727,277,273.84
  5. Step 5: Solve for x
    x = 13,727,277,273.84/161,769.20
  6. Step 6: Final answer
    x = 84,857.17

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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.