Home / 222,166.08-306,587.91-120,191.22

Finding the Fourth Proportional to 222,166.08, 306,587.91 and 120,191.22

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Solution

The fourth proportional to 222,166.08, 306,587.91 and 120,191.22 is: 165,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,166.08 : 306,587.91 = 120,191.22 : x
  2. Step 2: Convert to fraction form
    222,166.08/306,587.91 = 120,191.22/x
  3. Step 3: Cross multiply
    222,166.08x = 306,587.91 × 120,191.22
  4. Step 4: Simplify right side
    222,166.08x = 36,849,174,940.15
  5. Step 5: Solve for x
    x = 36,849,174,940.15/222,166.08
  6. Step 6: Final answer
    x = 165,863.19

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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.