Home / 109,911.80-164,673.30-93,193.40

Finding the Fourth Proportional to 109,911.80, 164,673.30 and 93,193.40

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Solution

The fourth proportional to 109,911.80, 164,673.30 and 93,193.40 is: 139,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,911.80 : 164,673.30 = 93,193.40 : x
  2. Step 2: Convert to fraction form
    109,911.80/164,673.30 = 93,193.40/x
  3. Step 3: Cross multiply
    109,911.80x = 164,673.30 × 93,193.40
  4. Step 4: Simplify right side
    109,911.80x = 15,346,464,716.22
  5. Step 5: Solve for x
    x = 15,346,464,716.22/109,911.80
  6. Step 6: Final answer
    x = 139,625.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.