Home / 190,278.47-262,592.94-105,395.54

Finding the Fourth Proportional to 190,278.47, 262,592.94 and 105,395.54

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Solution

The fourth proportional to 190,278.47, 262,592.94 and 105,395.54 is: 145,450.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,278.47 : 262,592.94 = 105,395.54 : x
  2. Step 2: Convert to fraction form
    190,278.47/262,592.94 = 105,395.54/x
  3. Step 3: Cross multiply
    190,278.47x = 262,592.94 × 105,395.54
  4. Step 4: Simplify right side
    190,278.47x = 27,676,123,398.52
  5. Step 5: Solve for x
    x = 27,676,123,398.52/190,278.47
  6. Step 6: Final answer
    x = 145,450.63

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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.