Home / 140,625.90-194,008.23-86,817.54

Finding the Fourth Proportional to 140,625.90, 194,008.23 and 86,817.54

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Solution

The fourth proportional to 140,625.90, 194,008.23 and 86,817.54 is: 119,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,625.90 : 194,008.23 = 86,817.54 : x
  2. Step 2: Convert to fraction form
    140,625.90/194,008.23 = 86,817.54/x
  3. Step 3: Cross multiply
    140,625.90x = 194,008.23 × 86,817.54
  4. Step 4: Simplify right side
    140,625.90x = 16,843,317,268.35
  5. Step 5: Solve for x
    x = 16,843,317,268.35/140,625.90
  6. Step 6: Final answer
    x = 119,773.93

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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.