Home / 103,572.20-155,358.30-41,210.60

Finding the Fourth Proportional to 103,572.20, 155,358.30 and 41,210.60

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Solution

The fourth proportional to 103,572.20, 155,358.30 and 41,210.60 is: 61,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572.20 : 155,358.30 = 41,210.60 : x
  2. Step 2: Convert to fraction form
    103,572.20/155,358.30 = 41,210.60/x
  3. Step 3: Cross multiply
    103,572.20x = 155,358.30 × 41,210.60
  4. Step 4: Simplify right side
    103,572.20x = 6,402,408,757.98
  5. Step 5: Solve for x
    x = 6,402,408,757.98/103,572.20
  6. Step 6: Final answer
    x = 61,815.90

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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.