Home / 165,287.84-228,166.90-111,645.60

Finding the Fourth Proportional to 165,287.84, 228,166.90 and 111,645.60

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Solution

The fourth proportional to 165,287.84, 228,166.90 and 111,645.60 is: 154,117.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,287.84 : 228,166.90 = 111,645.60 : x
  2. Step 2: Convert to fraction form
    165,287.84/228,166.90 = 111,645.60/x
  3. Step 3: Cross multiply
    165,287.84x = 228,166.90 × 111,645.60
  4. Step 4: Simplify right side
    165,287.84x = 25,473,830,450.64
  5. Step 5: Solve for x
    x = 25,473,830,450.64/165,287.84
  6. Step 6: Final answer
    x = 154,117.99

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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.