Home / 161,740.80-222,199.20-133,358.40

Finding the Fourth Proportional to 161,740.80, 222,199.20 and 133,358.40

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Solution

The fourth proportional to 161,740.80, 222,199.20 and 133,358.40 is: 183,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,740.80 : 222,199.20 = 133,358.40 : x
  2. Step 2: Convert to fraction form
    161,740.80/222,199.20 = 133,358.40/x
  3. Step 3: Cross multiply
    161,740.80x = 222,199.20 × 133,358.40
  4. Step 4: Simplify right side
    161,740.80x = 29,632,129,793.28
  5. Step 5: Solve for x
    x = 29,632,129,793.28/161,740.80
  6. Step 6: Final answer
    x = 183,207.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.