Home / 121,228.39-181,845.56-41,266.20

Finding the Fourth Proportional to 121,228.39, 181,845.56 and 41,266.20

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Solution

The fourth proportional to 121,228.39, 181,845.56 and 41,266.20 is: 61,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,228.39 : 181,845.56 = 41,266.20 : x
  2. Step 2: Convert to fraction form
    121,228.39/181,845.56 = 41,266.20/x
  3. Step 3: Cross multiply
    121,228.39x = 181,845.56 × 41,266.20
  4. Step 4: Simplify right side
    121,228.39x = 7,504,075,248.07
  5. Step 5: Solve for x
    x = 7,504,075,248.07/121,228.39
  6. Step 6: Final answer
    x = 61,900.31

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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.