Home / 105,958.23-146,260.76-70,159.79

Finding the Fourth Proportional to 105,958.23, 146,260.76 and 70,159.79

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Solution

The fourth proportional to 105,958.23, 146,260.76 and 70,159.79 is: 96,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,958.23 : 146,260.76 = 70,159.79 : x
  2. Step 2: Convert to fraction form
    105,958.23/146,260.76 = 70,159.79/x
  3. Step 3: Cross multiply
    105,958.23x = 146,260.76 × 70,159.79
  4. Step 4: Simplify right side
    105,958.23x = 10,261,623,124.74
  5. Step 5: Solve for x
    x = 10,261,623,124.74/105,958.23
  6. Step 6: Final answer
    x = 96,845.93

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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.