Home / 165,815.16-228,759.96-102,042.24

Finding the Fourth Proportional to 165,815.16, 228,759.96 and 102,042.24

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Solution

The fourth proportional to 165,815.16, 228,759.96 and 102,042.24 is: 140,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815.16 : 228,759.96 = 102,042.24 : x
  2. Step 2: Convert to fraction form
    165,815.16/228,759.96 = 102,042.24/x
  3. Step 3: Cross multiply
    165,815.16x = 228,759.96 × 102,042.24
  4. Step 4: Simplify right side
    165,815.16x = 23,343,178,740.71
  5. Step 5: Solve for x
    x = 23,343,178,740.71/165,815.16
  6. Step 6: Final answer
    x = 140,778.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.