Home / 115,288.44-158,453.88-101,777.64

Finding the Fourth Proportional to 115,288.44, 158,453.88 and 101,777.64

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Solution

The fourth proportional to 115,288.44, 158,453.88 and 101,777.64 is: 139,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,288.44 : 158,453.88 = 101,777.64 : x
  2. Step 2: Convert to fraction form
    115,288.44/158,453.88 = 101,777.64/x
  3. Step 3: Cross multiply
    115,288.44x = 158,453.88 × 101,777.64
  4. Step 4: Simplify right side
    115,288.44x = 16,127,061,955.24
  5. Step 5: Solve for x
    x = 16,127,061,955.24/115,288.44
  6. Step 6: Final answer
    x = 139,884.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.