Home / 103,655.20-155,443.74-33,515.68

Finding the Fourth Proportional to 103,655.20, 155,443.74 and 33,515.68

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Solution

The fourth proportional to 103,655.20, 155,443.74 and 33,515.68 is: 50,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.20 : 155,443.74 = 33,515.68 : x
  2. Step 2: Convert to fraction form
    103,655.20/155,443.74 = 33,515.68/x
  3. Step 3: Cross multiply
    103,655.20x = 155,443.74 × 33,515.68
  4. Step 4: Simplify right side
    103,655.20x = 5,209,802,647.84
  5. Step 5: Solve for x
    x = 5,209,802,647.84/103,655.20
  6. Step 6: Final answer
    x = 50,260.89

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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.