Home / 140,712.41-194,181.19-77,050.23

Finding the Fourth Proportional to 140,712.41, 194,181.19 and 77,050.23

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Solution

The fourth proportional to 140,712.41, 194,181.19 and 77,050.23 is: 106,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,712.41 : 194,181.19 = 77,050.23 : x
  2. Step 2: Convert to fraction form
    140,712.41/194,181.19 = 77,050.23/x
  3. Step 3: Cross multiply
    140,712.41x = 194,181.19 × 77,050.23
  4. Step 4: Simplify right side
    140,712.41x = 14,961,705,351.17
  5. Step 5: Solve for x
    x = 14,961,705,351.17/140,712.41
  6. Step 6: Final answer
    x = 106,328.26

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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.