Home / 111,201.18-166,801.77-28,095.18

Finding the Fourth Proportional to 111,201.18, 166,801.77 and 28,095.18

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Solution

The fourth proportional to 111,201.18, 166,801.77 and 28,095.18 is: 42,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,201.18 : 166,801.77 = 28,095.18 : x
  2. Step 2: Convert to fraction form
    111,201.18/166,801.77 = 28,095.18/x
  3. Step 3: Cross multiply
    111,201.18x = 166,801.77 × 28,095.18
  4. Step 4: Simplify right side
    111,201.18x = 4,686,325,752.47
  5. Step 5: Solve for x
    x = 4,686,325,752.47/111,201.18
  6. Step 6: Final answer
    x = 42,142.77

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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.