Home / 105,878.94-146,102.19-63,436.38

Finding the Fourth Proportional to 105,878.94, 146,102.19 and 63,436.38

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Solution

The fourth proportional to 105,878.94, 146,102.19 and 63,436.38 is: 87,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,878.94 : 146,102.19 = 63,436.38 : x
  2. Step 2: Convert to fraction form
    105,878.94/146,102.19 = 63,436.38/x
  3. Step 3: Cross multiply
    105,878.94x = 146,102.19 × 63,436.38
  4. Step 4: Simplify right side
    105,878.94x = 9,268,194,043.67
  5. Step 5: Solve for x
    x = 9,268,194,043.67/105,878.94
  6. Step 6: Final answer
    x = 87,535.77

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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.