Home / 161,769.70-242,654.55-133,776.10

Finding the Fourth Proportional to 161,769.70, 242,654.55 and 133,776.10

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Solution

The fourth proportional to 161,769.70, 242,654.55 and 133,776.10 is: 200,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,769.70 : 242,654.55 = 133,776.10 : x
  2. Step 2: Convert to fraction form
    161,769.70/242,654.55 = 133,776.10/x
  3. Step 3: Cross multiply
    161,769.70x = 242,654.55 × 133,776.10
  4. Step 4: Simplify right side
    161,769.70x = 32,461,379,346.26
  5. Step 5: Solve for x
    x = 32,461,379,346.26/161,769.70
  6. Step 6: Final answer
    x = 200,664.15

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1.5x scale

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.