Home / 105,935.71-146,187.35-58,186.21

Finding the Fourth Proportional to 105,935.71, 146,187.35 and 58,186.21

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Solution

The fourth proportional to 105,935.71, 146,187.35 and 58,186.21 is: 80,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.71 : 146,187.35 = 58,186.21 : x
  2. Step 2: Convert to fraction form
    105,935.71/146,187.35 = 58,186.21/x
  3. Step 3: Cross multiply
    105,935.71x = 146,187.35 × 58,186.21
  4. Step 4: Simplify right side
    105,935.71x = 8,506,086,824.58
  5. Step 5: Solve for x
    x = 8,506,086,824.58/105,935.71
  6. Step 6: Final answer
    x = 80,294.81

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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.