Home / 165,378.40-228,223.38-89,926.36

Finding the Fourth Proportional to 165,378.40, 228,223.38 and 89,926.36

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Solution

The fourth proportional to 165,378.40, 228,223.38 and 89,926.36 is: 124,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,378.40 : 228,223.38 = 89,926.36 : x
  2. Step 2: Convert to fraction form
    165,378.40/228,223.38 = 89,926.36/x
  3. Step 3: Cross multiply
    165,378.40x = 228,223.38 × 89,926.36
  4. Step 4: Simplify right side
    165,378.40x = 20,523,297,830.30
  5. Step 5: Solve for x
    x = 20,523,297,830.30/165,378.40
  6. Step 6: Final answer
    x = 124,099.02

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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.