Home / 222,156.59-306,577.62-136,115.76

Finding the Fourth Proportional to 222,156.59, 306,577.62 and 136,115.76

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Solution

The fourth proportional to 222,156.59, 306,577.62 and 136,115.76 is: 187,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,156.59 : 306,577.62 = 136,115.76 : x
  2. Step 2: Convert to fraction form
    222,156.59/306,577.62 = 136,115.76/x
  3. Step 3: Cross multiply
    222,156.59x = 306,577.62 × 136,115.76
  4. Step 4: Simplify right side
    222,156.59x = 41,730,045,745.29
  5. Step 5: Solve for x
    x = 41,730,045,745.29/222,156.59
  6. Step 6: Final answer
    x = 187,840.69

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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.