Home / 165,459.57-228,303.84-111,090.66

Finding the Fourth Proportional to 165,459.57, 228,303.84 and 111,090.66

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Solution

The fourth proportional to 165,459.57, 228,303.84 and 111,090.66 is: 153,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,459.57 : 228,303.84 = 111,090.66 : x
  2. Step 2: Convert to fraction form
    165,459.57/228,303.84 = 111,090.66/x
  3. Step 3: Cross multiply
    165,459.57x = 228,303.84 × 111,090.66
  4. Step 4: Simplify right side
    165,459.57x = 25,362,425,122.27
  5. Step 5: Solve for x
    x = 25,362,425,122.27/165,459.57
  6. Step 6: Final answer
    x = 153,284.73

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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.