Home / 222,140.50-306,235.04-158,367.58

Finding the Fourth Proportional to 222,140.50, 306,235.04 and 158,367.58

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Solution

The fourth proportional to 222,140.50, 306,235.04 and 158,367.58 is: 218,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,140.50 : 306,235.04 = 158,367.58 : x
  2. Step 2: Convert to fraction form
    222,140.50/306,235.04 = 158,367.58/x
  3. Step 3: Cross multiply
    222,140.50x = 306,235.04 × 158,367.58
  4. Step 4: Simplify right side
    222,140.50x = 48,497,700,638.58
  5. Step 5: Solve for x
    x = 48,497,700,638.58/222,140.50
  6. Step 6: Final answer
    x = 218,319.94

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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.