Home / 147,051.24-220,469.32-47,154.54

Finding the Fourth Proportional to 147,051.24, 220,469.32 and 47,154.54

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Solution

The fourth proportional to 147,051.24, 220,469.32 and 47,154.54 is: 70,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,051.24 : 220,469.32 = 47,154.54 : x
  2. Step 2: Convert to fraction form
    147,051.24/220,469.32 = 47,154.54/x
  3. Step 3: Cross multiply
    147,051.24x = 220,469.32 × 47,154.54
  4. Step 4: Simplify right side
    147,051.24x = 10,396,129,368.71
  5. Step 5: Solve for x
    x = 10,396,129,368.71/147,051.24
  6. Step 6: Final answer
    x = 70,697.33

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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.