Home / 105,913.13-146,159.96-58,166.48

Finding the Fourth Proportional to 105,913.13, 146,159.96 and 58,166.48

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Solution

The fourth proportional to 105,913.13, 146,159.96 and 58,166.48 is: 80,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.13 : 146,159.96 = 58,166.48 : x
  2. Step 2: Convert to fraction form
    105,913.13/146,159.96 = 58,166.48/x
  3. Step 3: Cross multiply
    105,913.13x = 146,159.96 × 58,166.48
  4. Step 4: Simplify right side
    105,913.13x = 8,501,610,390.14
  5. Step 5: Solve for x
    x = 8,501,610,390.14/105,913.13
  6. Step 6: Final answer
    x = 80,269.65

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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.