Home / 105,893.32-146,134.34-58,151.08

Finding the Fourth Proportional to 105,893.32, 146,134.34 and 58,151.08

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Solution

The fourth proportional to 105,893.32, 146,134.34 and 58,151.08 is: 80,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,893.32 : 146,134.34 = 58,151.08 : x
  2. Step 2: Convert to fraction form
    105,893.32/146,134.34 = 58,151.08/x
  3. Step 3: Cross multiply
    105,893.32x = 146,134.34 × 58,151.08
  4. Step 4: Simplify right side
    105,893.32x = 8,497,869,696.09
  5. Step 5: Solve for x
    x = 8,497,869,696.09/105,893.32
  6. Step 6: Final answer
    x = 80,249.35

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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.