Home / 222,855.15-307,492.81-132,240.60

Finding the Fourth Proportional to 222,855.15, 307,492.81 and 132,240.60

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Solution

The fourth proportional to 222,855.15, 307,492.81 and 132,240.60 is: 182,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,855.15 : 307,492.81 = 132,240.60 : x
  2. Step 2: Convert to fraction form
    222,855.15/307,492.81 = 132,240.60/x
  3. Step 3: Cross multiply
    222,855.15x = 307,492.81 × 132,240.60
  4. Step 4: Simplify right side
    222,855.15x = 40,663,033,359.48
  5. Step 5: Solve for x
    x = 40,663,033,359.48/222,855.15
  6. Step 6: Final answer
    x = 182,463.96

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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.