Home / 105,841.92-146,063.52-58,099.68

Finding the Fourth Proportional to 105,841.92, 146,063.52 and 58,099.68

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Solution

The fourth proportional to 105,841.92, 146,063.52 and 58,099.68 is: 80,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,841.92 : 146,063.52 = 58,099.68 : x
  2. Step 2: Convert to fraction form
    105,841.92/146,063.52 = 58,099.68/x
  3. Step 3: Cross multiply
    105,841.92x = 146,063.52 × 58,099.68
  4. Step 4: Simplify right side
    105,841.92x = 8,486,243,771.67
  5. Step 5: Solve for x
    x = 8,486,243,771.67/105,841.92
  6. Step 6: Final answer
    x = 80,178.48

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1.5x scale

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.