Home / 136,077.24-204,131.22-57,176.76

Finding the Fourth Proportional to 136,077.24, 204,131.22 and 57,176.76

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Solution

The fourth proportional to 136,077.24, 204,131.22 and 57,176.76 is: 85,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,077.24 : 204,131.22 = 57,176.76 : x
  2. Step 2: Convert to fraction form
    136,077.24/204,131.22 = 57,176.76/x
  3. Step 3: Cross multiply
    136,077.24x = 204,131.22 × 57,176.76
  4. Step 4: Simplify right side
    136,077.24x = 11,671,561,774.45
  5. Step 5: Solve for x
    x = 11,671,561,774.45/136,077.24
  6. Step 6: Final answer
    x = 85,771.59

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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.