Home / 118,916.96-164,110.53-71,161.11

Finding the Fourth Proportional to 118,916.96, 164,110.53 and 71,161.11

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Solution

The fourth proportional to 118,916.96, 164,110.53 and 71,161.11 is: 98,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,916.96 : 164,110.53 = 71,161.11 : x
  2. Step 2: Convert to fraction form
    118,916.96/164,110.53 = 71,161.11/x
  3. Step 3: Cross multiply
    118,916.96x = 164,110.53 × 71,161.11
  4. Step 4: Simplify right side
    118,916.96x = 11,678,287,477.49
  5. Step 5: Solve for x
    x = 11,678,287,477.49/118,916.96
  6. Step 6: Final answer
    x = 98,205.40

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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.