Home / 222,161.04-306,581.00-120,186.23

Finding the Fourth Proportional to 222,161.04, 306,581.00 and 120,186.23

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Solution

The fourth proportional to 222,161.04, 306,581.00 and 120,186.23 is: 165,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,161.04 : 306,581.00 = 120,186.23 : x
  2. Step 2: Convert to fraction form
    222,161.04/306,581.00 = 120,186.23/x
  3. Step 3: Cross multiply
    222,161.04x = 306,581.00 × 120,186.23
  4. Step 4: Simplify right side
    222,161.04x = 36,846,812,445.79
  5. Step 5: Solve for x
    x = 36,846,812,445.79/222,161.04
  6. Step 6: Final answer
    x = 165,856.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.