Home / 162,251.12-222,280.08-156,186.56

Finding the Fourth Proportional to 162,251.12, 222,280.08 and 156,186.56

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Solution

The fourth proportional to 162,251.12, 222,280.08 and 156,186.56 is: 213,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,251.12 : 222,280.08 = 156,186.56 : x
  2. Step 2: Convert to fraction form
    162,251.12/222,280.08 = 156,186.56/x
  3. Step 3: Cross multiply
    162,251.12x = 222,280.08 × 156,186.56
  4. Step 4: Simplify right side
    162,251.12x = 34,717,161,051.72
  5. Step 5: Solve for x
    x = 34,717,161,051.72/162,251.12
  6. Step 6: Final answer
    x = 213,971.78

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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.