Home / 190,717.92-263,196.18-105,840.45

Finding the Fourth Proportional to 190,717.92, 263,196.18 and 105,840.45

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Solution

The fourth proportional to 190,717.92, 263,196.18 and 105,840.45 is: 146,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.92 : 263,196.18 = 105,840.45 : x
  2. Step 2: Convert to fraction form
    190,717.92/263,196.18 = 105,840.45/x
  3. Step 3: Cross multiply
    190,717.92x = 263,196.18 × 105,840.45
  4. Step 4: Simplify right side
    190,717.92x = 27,856,802,129.48
  5. Step 5: Solve for x
    x = 27,856,802,129.48/190,717.92
  6. Step 6: Final answer
    x = 146,062.85

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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.