Home / 219,538.66-302,961.45-118,936.42

Finding the Fourth Proportional to 219,538.66, 302,961.45 and 118,936.42

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Solution

The fourth proportional to 219,538.66, 302,961.45 and 118,936.42 is: 164,131.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.66 : 302,961.45 = 118,936.42 : x
  2. Step 2: Convert to fraction form
    219,538.66/302,961.45 = 118,936.42/x
  3. Step 3: Cross multiply
    219,538.66x = 302,961.45 × 118,936.42
  4. Step 4: Simplify right side
    219,538.66x = 36,033,150,261.01
  5. Step 5: Solve for x
    x = 36,033,150,261.01/219,538.66
  6. Step 6: Final answer
    x = 164,131.23

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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.