Home / 190,717.17-263,195.15-105,839.70

Finding the Fourth Proportional to 190,717.17, 263,195.15 and 105,839.70

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Solution

The fourth proportional to 190,717.17, 263,195.15 and 105,839.70 is: 146,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.17 : 263,195.15 = 105,839.70 : x
  2. Step 2: Convert to fraction form
    190,717.17/263,195.15 = 105,839.70/x
  3. Step 3: Cross multiply
    190,717.17x = 263,195.15 × 105,839.70
  4. Step 4: Simplify right side
    190,717.17x = 27,856,495,188.26
  5. Step 5: Solve for x
    x = 27,856,495,188.26/190,717.17
  6. Step 6: Final answer
    x = 146,061.81

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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.