Home / 107,759.32-160,868.93-100,644.28

Finding the Fourth Proportional to 107,759.32, 160,868.93 and 100,644.28

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Solution

The fourth proportional to 107,759.32, 160,868.93 and 100,644.28 is: 150,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,759.32 : 160,868.93 = 100,644.28 : x
  2. Step 2: Convert to fraction form
    107,759.32/160,868.93 = 100,644.28/x
  3. Step 3: Cross multiply
    107,759.32x = 160,868.93 × 100,644.28
  4. Step 4: Simplify right side
    107,759.32x = 16,190,537,634.22
  5. Step 5: Solve for x
    x = 16,190,537,634.22/107,759.32
  6. Step 6: Final answer
    x = 150,247.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.