Home / 131,813.44-181,902.27-71,384.06

Finding the Fourth Proportional to 131,813.44, 181,902.27 and 71,384.06

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Solution

The fourth proportional to 131,813.44, 181,902.27 and 71,384.06 is: 98,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.44 : 181,902.27 = 71,384.06 : x
  2. Step 2: Convert to fraction form
    131,813.44/181,902.27 = 71,384.06/x
  3. Step 3: Cross multiply
    131,813.44x = 181,902.27 × 71,384.06
  4. Step 4: Simplify right side
    131,813.44x = 12,984,923,010.57
  5. Step 5: Solve for x
    x = 12,984,923,010.57/131,813.44
  6. Step 6: Final answer
    x = 98,509.86

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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.