Home / 231,890.06-349,414.59-190,692.92

Finding the Fourth Proportional to 231,890.06, 349,414.59 and 190,692.92

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Solution

The fourth proportional to 231,890.06, 349,414.59 and 190,692.92 is: 287,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,890.06 : 349,414.59 = 190,692.92 : x
  2. Step 2: Convert to fraction form
    231,890.06/349,414.59 = 190,692.92/x
  3. Step 3: Cross multiply
    231,890.06x = 349,414.59 × 190,692.92
  4. Step 4: Simplify right side
    231,890.06x = 66,630,886,710.63
  5. Step 5: Solve for x
    x = 66,630,886,710.63/231,890.06
  6. Step 6: Final answer
    x = 287,338.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.