Home / 111,143.15-166,630.87-36,218.55

Finding the Fourth Proportional to 111,143.15, 166,630.87 and 36,218.55

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Solution

The fourth proportional to 111,143.15, 166,630.87 and 36,218.55 is: 54,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,143.15 : 166,630.87 = 36,218.55 : x
  2. Step 2: Convert to fraction form
    111,143.15/166,630.87 = 36,218.55/x
  3. Step 3: Cross multiply
    111,143.15x = 166,630.87 × 36,218.55
  4. Step 4: Simplify right side
    111,143.15x = 6,035,128,496.64
  5. Step 5: Solve for x
    x = 6,035,128,496.64/111,143.15
  6. Step 6: Final answer
    x = 54,300.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.