Home / 222,530.14-307,090.31-120,557.58

Finding the Fourth Proportional to 222,530.14, 307,090.31 and 120,557.58

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Solution

The fourth proportional to 222,530.14, 307,090.31 and 120,557.58 is: 166,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,530.14 : 307,090.31 = 120,557.58 : x
  2. Step 2: Convert to fraction form
    222,530.14/307,090.31 = 120,557.58/x
  3. Step 3: Cross multiply
    222,530.14x = 307,090.31 × 120,557.58
  4. Step 4: Simplify right side
    222,530.14x = 37,022,064,588.06
  5. Step 5: Solve for x
    x = 37,022,064,588.06/222,530.14
  6. Step 6: Final answer
    x = 166,368.77

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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.