Home / 165,776.51-228,771.59-90,325.01

Finding the Fourth Proportional to 165,776.51, 228,771.59 and 90,325.01

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Solution

The fourth proportional to 165,776.51, 228,771.59 and 90,325.01 is: 124,648.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,776.51 : 228,771.59 = 90,325.01 : x
  2. Step 2: Convert to fraction form
    165,776.51/228,771.59 = 90,325.01/x
  3. Step 3: Cross multiply
    165,776.51x = 228,771.59 × 90,325.01
  4. Step 4: Simplify right side
    165,776.51x = 20,663,794,558.98
  5. Step 5: Solve for x
    x = 20,663,794,558.98/165,776.51
  6. Step 6: Final answer
    x = 124,648.51

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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.