Home / 165,862.54-228,818.22-105,400.81

Finding the Fourth Proportional to 165,862.54, 228,818.22 and 105,400.81

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Solution

The fourth proportional to 165,862.54, 228,818.22 and 105,400.81 is: 145,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,862.54 : 228,818.22 = 105,400.81 : x
  2. Step 2: Convert to fraction form
    165,862.54/228,818.22 = 105,400.81/x
  3. Step 3: Cross multiply
    165,862.54x = 228,818.22 × 105,400.81
  4. Step 4: Simplify right side
    165,862.54x = 24,117,624,586.67
  5. Step 5: Solve for x
    x = 24,117,624,586.67/165,862.54
  6. Step 6: Final answer
    x = 145,407.31

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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.