Home / 106,684.85-160,005.56-39,193.69

Finding the Fourth Proportional to 106,684.85, 160,005.56 and 39,193.69

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Solution

The fourth proportional to 106,684.85, 160,005.56 and 39,193.69 is: 58,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,684.85 : 160,005.56 = 39,193.69 : x
  2. Step 2: Convert to fraction form
    106,684.85/160,005.56 = 39,193.69/x
  3. Step 3: Cross multiply
    106,684.85x = 160,005.56 × 39,193.69
  4. Step 4: Simplify right side
    106,684.85x = 6,271,208,020.94
  5. Step 5: Solve for x
    x = 6,271,208,020.94/106,684.85
  6. Step 6: Final answer
    x = 58,782.55

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1.5x scale

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.