Home / 106,748.03-160,149.78-31,868.19

Finding the Fourth Proportional to 106,748.03, 160,149.78 and 31,868.19

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Solution

The fourth proportional to 106,748.03, 160,149.78 and 31,868.19 is: 47,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,748.03 : 160,149.78 = 31,868.19 : x
  2. Step 2: Convert to fraction form
    106,748.03/160,149.78 = 31,868.19/x
  3. Step 3: Cross multiply
    106,748.03x = 160,149.78 × 31,868.19
  4. Step 4: Simplify right side
    106,748.03x = 5,103,683,617.50
  5. Step 5: Solve for x
    x = 5,103,683,617.50/106,748.03
  6. Step 6: Final answer
    x = 47,810.56

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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.