Home / 106,297.07-159,445.81-99,801.68

Finding the Fourth Proportional to 106,297.07, 159,445.81 and 99,801.68

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Solution

The fourth proportional to 106,297.07, 159,445.81 and 99,801.68 is: 149,702.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,297.07 : 159,445.81 = 99,801.68 : x
  2. Step 2: Convert to fraction form
    106,297.07/159,445.81 = 99,801.68/x
  3. Step 3: Cross multiply
    106,297.07x = 159,445.81 × 99,801.68
  4. Step 4: Simplify right side
    106,297.07x = 15,912,959,843.89
  5. Step 5: Solve for x
    x = 15,912,959,843.89/106,297.07
  6. Step 6: Final answer
    x = 149,702.71

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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.