Home / 222,475.82-307,017.14-120,500.87

Finding the Fourth Proportional to 222,475.82, 307,017.14 and 120,500.87

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Solution

The fourth proportional to 222,475.82, 307,017.14 and 120,500.87 is: 166,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,475.82 : 307,017.14 = 120,500.87 : x
  2. Step 2: Convert to fraction form
    222,475.82/307,017.14 = 120,500.87/x
  3. Step 3: Cross multiply
    222,475.82x = 307,017.14 × 120,500.87
  4. Step 4: Simplify right side
    222,475.82x = 36,995,830,337.32
  5. Step 5: Solve for x
    x = 36,995,830,337.32/222,475.82
  6. Step 6: Final answer
    x = 166,291.47

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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.