Home / 133,002.15-183,542.97-85,255.59

Finding the Fourth Proportional to 133,002.15, 183,542.97 and 85,255.59

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Solution

The fourth proportional to 133,002.15, 183,542.97 and 85,255.59 is: 117,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,002.15 : 183,542.97 = 85,255.59 : x
  2. Step 2: Convert to fraction form
    133,002.15/183,542.97 = 85,255.59/x
  3. Step 3: Cross multiply
    133,002.15x = 183,542.97 × 85,255.59
  4. Step 4: Simplify right side
    133,002.15x = 15,648,064,197.70
  5. Step 5: Solve for x
    x = 15,648,064,197.70/133,002.15
  6. Step 6: Final answer
    x = 117,652.72

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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.