Home / 133,077.10-199,638.69-54,234.22

Finding the Fourth Proportional to 133,077.10, 199,638.69 and 54,234.22

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Solution

The fourth proportional to 133,077.10, 199,638.69 and 54,234.22 is: 81,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.10 : 199,638.69 = 54,234.22 : x
  2. Step 2: Convert to fraction form
    133,077.10/199,638.69 = 54,234.22/x
  3. Step 3: Cross multiply
    133,077.10x = 199,638.69 × 54,234.22
  4. Step 4: Simplify right side
    133,077.10x = 10,827,248,633.97
  5. Step 5: Solve for x
    x = 10,827,248,633.97/133,077.10
  6. Step 6: Final answer
    x = 81,360.72

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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.