Home / 190,719.48-263,190.42-105,834.72

Finding the Fourth Proportional to 190,719.48, 263,190.42 and 105,834.72

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Solution

The fourth proportional to 190,719.48, 263,190.42 and 105,834.72 is: 146,050.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,719.48 : 263,190.42 = 105,834.72 : x
  2. Step 2: Convert to fraction form
    190,719.48/263,190.42 = 105,834.72/x
  3. Step 3: Cross multiply
    190,719.48x = 263,190.42 × 105,834.72
  4. Step 4: Simplify right side
    190,719.48x = 27,854,684,407.38
  5. Step 5: Solve for x
    x = 27,854,684,407.38/190,719.48
  6. Step 6: Final answer
    x = 146,050.55

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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.