Home / 101,588.09-140,189.53-56,266.44

Finding the Fourth Proportional to 101,588.09, 140,189.53 and 56,266.44

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Solution

The fourth proportional to 101,588.09, 140,189.53 and 56,266.44 is: 77,646.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,588.09 : 140,189.53 = 56,266.44 : x
  2. Step 2: Convert to fraction form
    101,588.09/140,189.53 = 56,266.44/x
  3. Step 3: Cross multiply
    101,588.09x = 140,189.53 × 56,266.44
  4. Step 4: Simplify right side
    101,588.09x = 7,887,965,778.37
  5. Step 5: Solve for x
    x = 7,887,965,778.37/101,588.09
  6. Step 6: Final answer
    x = 77,646.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.