Home / 105,929.50-146,180.19-58,182.70

Finding the Fourth Proportional to 105,929.50, 146,180.19 and 58,182.70

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Solution

The fourth proportional to 105,929.50, 146,180.19 and 58,182.70 is: 80,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,929.50 : 146,180.19 = 58,182.70 : x
  2. Step 2: Convert to fraction form
    105,929.50/146,180.19 = 58,182.70/x
  3. Step 3: Cross multiply
    105,929.50x = 146,180.19 × 58,182.70
  4. Step 4: Simplify right side
    105,929.50x = 8,505,158,140.71
  5. Step 5: Solve for x
    x = 8,505,158,140.71/105,929.50
  6. Step 6: Final answer
    x = 80,290.74

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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.