Home / 111,429.03-167,143.90-28,323.03

Finding the Fourth Proportional to 111,429.03, 167,143.90 and 28,323.03

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Solution

The fourth proportional to 111,429.03, 167,143.90 and 28,323.03 is: 42,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,429.03 : 167,143.90 = 28,323.03 : x
  2. Step 2: Convert to fraction form
    111,429.03/167,143.90 = 28,323.03/x
  3. Step 3: Cross multiply
    111,429.03x = 167,143.90 × 28,323.03
  4. Step 4: Simplify right side
    111,429.03x = 4,734,020,858.30
  5. Step 5: Solve for x
    x = 4,734,020,858.30/111,429.03
  6. Step 6: Final answer
    x = 42,484.63

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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.