Home / 131,567.36-197,014.73-72,337.92

Finding the Fourth Proportional to 131,567.36, 197,014.73 and 72,337.92

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Solution

The fourth proportional to 131,567.36, 197,014.73 and 72,337.92 is: 108,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.36 : 197,014.73 = 72,337.92 : x
  2. Step 2: Convert to fraction form
    131,567.36/197,014.73 = 72,337.92/x
  3. Step 3: Cross multiply
    131,567.36x = 197,014.73 × 72,337.92
  4. Step 4: Simplify right side
    131,567.36x = 14,251,635,415.87
  5. Step 5: Solve for x
    x = 14,251,635,415.87/131,567.36
  6. Step 6: Final answer
    x = 108,321.97

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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.