Home / 200,431.19-276,630.69-119,867.58

Finding the Fourth Proportional to 200,431.19, 276,630.69 and 119,867.58

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Solution

The fourth proportional to 200,431.19, 276,630.69 and 119,867.58 is: 165,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,431.19 : 276,630.69 = 119,867.58 : x
  2. Step 2: Convert to fraction form
    200,431.19/276,630.69 = 119,867.58/x
  3. Step 3: Cross multiply
    200,431.19x = 276,630.69 × 119,867.58
  4. Step 4: Simplify right side
    200,431.19x = 33,159,051,813.53
  5. Step 5: Solve for x
    x = 33,159,051,813.53/200,431.19
  6. Step 6: Final answer
    x = 165,438.58

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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.