Home / 122,218.56-183,349.44-43,378.56

Finding the Fourth Proportional to 122,218.56, 183,349.44 and 43,378.56

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Solution

The fourth proportional to 122,218.56, 183,349.44 and 43,378.56 is: 65,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218.56 : 183,349.44 = 43,378.56 : x
  2. Step 2: Convert to fraction form
    122,218.56/183,349.44 = 43,378.56/x
  3. Step 3: Cross multiply
    122,218.56x = 183,349.44 × 43,378.56
  4. Step 4: Simplify right side
    122,218.56x = 7,953,434,684.01
  5. Step 5: Solve for x
    x = 7,953,434,684.01/122,218.56
  6. Step 6: Final answer
    x = 65,075.51

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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.