Home / 165,834.54-228,888.63-105,393.42

Finding the Fourth Proportional to 165,834.54, 228,888.63 and 105,393.42

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Solution

The fourth proportional to 165,834.54, 228,888.63 and 105,393.42 is: 145,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,834.54 : 228,888.63 = 105,393.42 : x
  2. Step 2: Convert to fraction form
    165,834.54/228,888.63 = 105,393.42/x
  3. Step 3: Cross multiply
    165,834.54x = 228,888.63 × 105,393.42
  4. Step 4: Simplify right side
    165,834.54x = 24,123,355,514.81
  5. Step 5: Solve for x
    x = 24,123,355,514.81/165,834.54
  6. Step 6: Final answer
    x = 145,466.41

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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.