Home / 115,493.21-173,239.80-43,459.66

Finding the Fourth Proportional to 115,493.21, 173,239.80 and 43,459.66

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Solution

The fourth proportional to 115,493.21, 173,239.80 and 43,459.66 is: 65,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,493.21 : 173,239.80 = 43,459.66 : x
  2. Step 2: Convert to fraction form
    115,493.21/173,239.80 = 43,459.66/x
  3. Step 3: Cross multiply
    115,493.21x = 173,239.80 × 43,459.66
  4. Step 4: Simplify right side
    115,493.21x = 7,528,942,806.47
  5. Step 5: Solve for x
    x = 7,528,942,806.47/115,493.21
  6. Step 6: Final answer
    x = 65,189.48

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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.