Home / 165,698.14-228,666.09-90,246.64

Finding the Fourth Proportional to 165,698.14, 228,666.09 and 90,246.64

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Solution

The fourth proportional to 165,698.14, 228,666.09 and 90,246.64 is: 124,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.14 : 228,666.09 = 90,246.64 : x
  2. Step 2: Convert to fraction form
    165,698.14/228,666.09 = 90,246.64/x
  3. Step 3: Cross multiply
    165,698.14x = 228,666.09 × 90,246.64
  4. Step 4: Simplify right side
    165,698.14x = 20,636,346,304.44
  5. Step 5: Solve for x
    x = 20,636,346,304.44/165,698.14
  6. Step 6: Final answer
    x = 124,541.81

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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.