Home / 107,131.53-160,538.91-101,140.53

Finding the Fourth Proportional to 107,131.53, 160,538.91 and 101,140.53

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Solution

The fourth proportional to 107,131.53, 160,538.91 and 101,140.53 is: 151,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,131.53 : 160,538.91 = 101,140.53 : x
  2. Step 2: Convert to fraction form
    107,131.53/160,538.91 = 101,140.53/x
  3. Step 3: Cross multiply
    107,131.53x = 160,538.91 × 101,140.53
  4. Step 4: Simplify right side
    107,131.53x = 16,236,990,443.02
  5. Step 5: Solve for x
    x = 16,236,990,443.02/107,131.53
  6. Step 6: Final answer
    x = 151,561.27

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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.