Home / 222,176.08-306,602.15-120,201.22

Finding the Fourth Proportional to 222,176.08, 306,602.15 and 120,201.22

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Solution

The fourth proportional to 222,176.08, 306,602.15 and 120,201.22 is: 165,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,176.08 : 306,602.15 = 120,201.22 : x
  2. Step 2: Convert to fraction form
    222,176.08/306,602.15 = 120,201.22/x
  3. Step 3: Cross multiply
    222,176.08x = 306,602.15 × 120,201.22
  4. Step 4: Simplify right side
    222,176.08x = 36,853,952,484.62
  5. Step 5: Solve for x
    x = 36,853,952,484.62/222,176.08
  6. Step 6: Final answer
    x = 165,877.23

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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.