Home / 222,772.12-307,537.50-145,282.84

Finding the Fourth Proportional to 222,772.12, 307,537.50 and 145,282.84

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Solution

The fourth proportional to 222,772.12, 307,537.50 and 145,282.84 is: 200,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,772.12 : 307,537.50 = 145,282.84 : x
  2. Step 2: Convert to fraction form
    222,772.12/307,537.50 = 145,282.84/x
  3. Step 3: Cross multiply
    222,772.12x = 307,537.50 × 145,282.84
  4. Step 4: Simplify right side
    222,772.12x = 44,679,921,406.50
  5. Step 5: Solve for x
    x = 44,679,921,406.50/222,772.12
  6. Step 6: Final answer
    x = 200,563.34

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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.