Home / 109,929.90-164,566.80-103,441.80

Finding the Fourth Proportional to 109,929.90, 164,566.80 and 103,441.80

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Solution

The fourth proportional to 109,929.90, 164,566.80 and 103,441.80 is: 154,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.90 : 164,566.80 = 103,441.80 : x
  2. Step 2: Convert to fraction form
    109,929.90/164,566.80 = 103,441.80/x
  3. Step 3: Cross multiply
    109,929.90x = 164,566.80 × 103,441.80
  4. Step 4: Simplify right side
    109,929.90x = 17,023,086,012.24
  5. Step 5: Solve for x
    x = 17,023,086,012.24/109,929.90
  6. Step 6: Final answer
    x = 154,854.01

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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.