Home / 190,717.40-263,202.33-105,834.46

Finding the Fourth Proportional to 190,717.40, 263,202.33 and 105,834.46

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Solution

The fourth proportional to 190,717.40, 263,202.33 and 105,834.46 is: 146,058.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.40 : 263,202.33 = 105,834.46 : x
  2. Step 2: Convert to fraction form
    190,717.40/263,202.33 = 105,834.46/x
  3. Step 3: Cross multiply
    190,717.40x = 263,202.33 × 105,834.46
  4. Step 4: Simplify right side
    190,717.40x = 27,855,875,937.12
  5. Step 5: Solve for x
    x = 27,855,875,937.12/190,717.40
  6. Step 6: Final answer
    x = 146,058.39

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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.