Home / 190,865.70-263,401.29-105,984.18

Finding the Fourth Proportional to 190,865.70, 263,401.29 and 105,984.18

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Solution

The fourth proportional to 190,865.70, 263,401.29 and 105,984.18 is: 146,261.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,865.70 : 263,401.29 = 105,984.18 : x
  2. Step 2: Convert to fraction form
    190,865.70/263,401.29 = 105,984.18/x
  3. Step 3: Cross multiply
    190,865.70x = 263,401.29 × 105,984.18
  4. Step 4: Simplify right side
    190,865.70x = 27,916,369,731.59
  5. Step 5: Solve for x
    x = 27,916,369,731.59/190,865.70
  6. Step 6: Final answer
    x = 146,261.85

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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.