Home / 222,075.36-306,464.40-121,473.36

Finding the Fourth Proportional to 222,075.36, 306,464.40 and 121,473.36

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Solution

The fourth proportional to 222,075.36, 306,464.40 and 121,473.36 is: 167,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,075.36 : 306,464.40 = 121,473.36 : x
  2. Step 2: Convert to fraction form
    222,075.36/306,464.40 = 121,473.36/x
  3. Step 3: Cross multiply
    222,075.36x = 306,464.40 × 121,473.36
  4. Step 4: Simplify right side
    222,075.36x = 37,227,260,388.38
  5. Step 5: Solve for x
    x = 37,227,260,388.38/222,075.36
  6. Step 6: Final answer
    x = 167,633.46

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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.