Home / 111,115.02-166,672.61-28,009.02

Finding the Fourth Proportional to 111,115.02, 166,672.61 and 28,009.02

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Solution

The fourth proportional to 111,115.02, 166,672.61 and 28,009.02 is: 42,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.02 : 166,672.61 = 28,009.02 : x
  2. Step 2: Convert to fraction form
    111,115.02/166,672.61 = 28,009.02/x
  3. Step 3: Cross multiply
    111,115.02x = 166,672.61 × 28,009.02
  4. Step 4: Simplify right side
    111,115.02x = 4,668,336,466.94
  5. Step 5: Solve for x
    x = 4,668,336,466.94/111,115.02
  6. Step 6: Final answer
    x = 42,013.55

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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.