Home / 103,657.20-155,446.74-33,517.68

Finding the Fourth Proportional to 103,657.20, 155,446.74 and 33,517.68

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Solution

The fourth proportional to 103,657.20, 155,446.74 and 33,517.68 is: 50,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,657.20 : 155,446.74 = 33,517.68 : x
  2. Step 2: Convert to fraction form
    103,657.20/155,446.74 = 33,517.68/x
  3. Step 3: Cross multiply
    103,657.20x = 155,446.74 × 33,517.68
  4. Step 4: Simplify right side
    103,657.20x = 5,210,214,088.36
  5. Step 5: Solve for x
    x = 5,210,214,088.36/103,657.20
  6. Step 6: Final answer
    x = 50,263.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.