Home / 145,126.46-217,773.75-60,879.09

Finding the Fourth Proportional to 145,126.46, 217,773.75 and 60,879.09

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Solution

The fourth proportional to 145,126.46, 217,773.75 and 60,879.09 is: 91,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,126.46 : 217,773.75 = 60,879.09 : x
  2. Step 2: Convert to fraction form
    145,126.46/217,773.75 = 60,879.09/x
  3. Step 3: Cross multiply
    145,126.46x = 217,773.75 × 60,879.09
  4. Step 4: Simplify right side
    145,126.46x = 13,257,867,725.89
  5. Step 5: Solve for x
    x = 13,257,867,725.89/145,126.46
  6. Step 6: Final answer
    x = 91,353.90

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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.