Home / 105,993.18-146,278.73-60,685.38

Finding the Fourth Proportional to 105,993.18, 146,278.73 and 60,685.38

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Solution

The fourth proportional to 105,993.18, 146,278.73 and 60,685.38 is: 83,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,993.18 : 146,278.73 = 60,685.38 : x
  2. Step 2: Convert to fraction form
    105,993.18/146,278.73 = 60,685.38/x
  3. Step 3: Cross multiply
    105,993.18x = 146,278.73 × 60,685.38
  4. Step 4: Simplify right side
    105,993.18x = 8,876,980,315.97
  5. Step 5: Solve for x
    x = 8,876,980,315.97/105,993.18
  6. Step 6: Final answer
    x = 83,750.49

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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.