Home / 190,592.14-263,010.46-105,717.10

Finding the Fourth Proportional to 190,592.14, 263,010.46 and 105,717.10

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Solution

The fourth proportional to 190,592.14, 263,010.46 and 105,717.10 is: 145,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,592.14 : 263,010.46 = 105,717.10 : x
  2. Step 2: Convert to fraction form
    190,592.14/263,010.46 = 105,717.10/x
  3. Step 3: Cross multiply
    190,592.14x = 263,010.46 × 105,717.10
  4. Step 4: Simplify right side
    190,592.14x = 27,804,703,100.87
  5. Step 5: Solve for x
    x = 27,804,703,100.87/190,592.14
  6. Step 6: Final answer
    x = 145,885.89

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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.