Home / 147,115.20-220,607.36-41,910.40

Finding the Fourth Proportional to 147,115.20, 220,607.36 and 41,910.40

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Solution

The fourth proportional to 147,115.20, 220,607.36 and 41,910.40 is: 62,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,115.20 : 220,607.36 = 41,910.40 : x
  2. Step 2: Convert to fraction form
    147,115.20/220,607.36 = 41,910.40/x
  3. Step 3: Cross multiply
    147,115.20x = 220,607.36 × 41,910.40
  4. Step 4: Simplify right side
    147,115.20x = 9,245,742,700.54
  5. Step 5: Solve for x
    x = 9,245,742,700.54/147,115.20
  6. Step 6: Final answer
    x = 62,846.96

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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.