Home / 106,887.34-160,336.17-28,001.64

Finding the Fourth Proportional to 106,887.34, 160,336.17 and 28,001.64

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Solution

The fourth proportional to 106,887.34, 160,336.17 and 28,001.64 is: 42,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,887.34 : 160,336.17 = 28,001.64 : x
  2. Step 2: Convert to fraction form
    106,887.34/160,336.17 = 28,001.64/x
  3. Step 3: Cross multiply
    106,887.34x = 160,336.17 × 28,001.64
  4. Step 4: Simplify right side
    106,887.34x = 4,489,675,711.32
  5. Step 5: Solve for x
    x = 4,489,675,711.32/106,887.34
  6. Step 6: Final answer
    x = 42,003.81

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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.