Home / 131,008.70-180,608.94-110,784.44

Finding the Fourth Proportional to 131,008.70, 180,608.94 and 110,784.44

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Solution

The fourth proportional to 131,008.70, 180,608.94 and 110,784.44 is: 152,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,008.70 : 180,608.94 = 110,784.44 : x
  2. Step 2: Convert to fraction form
    131,008.70/180,608.94 = 110,784.44/x
  3. Step 3: Cross multiply
    131,008.70x = 180,608.94 × 110,784.44
  4. Step 4: Simplify right side
    131,008.70x = 20,008,660,276.89
  5. Step 5: Solve for x
    x = 20,008,660,276.89/131,008.70
  6. Step 6: Final answer
    x = 152,727.72

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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.