Home / 128,203.02-192,304.67-33,433.13

Finding the Fourth Proportional to 128,203.02, 192,304.67 and 33,433.13

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Solution

The fourth proportional to 128,203.02, 192,304.67 and 33,433.13 is: 50,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,203.02 : 192,304.67 = 33,433.13 : x
  2. Step 2: Convert to fraction form
    128,203.02/192,304.67 = 33,433.13/x
  3. Step 3: Cross multiply
    128,203.02x = 192,304.67 × 33,433.13
  4. Step 4: Simplify right side
    128,203.02x = 6,429,347,031.72
  5. Step 5: Solve for x
    x = 6,429,347,031.72/128,203.02
  6. Step 6: Final answer
    x = 50,149.73

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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.