Home / 190,181.82-262,459.11-105,298.88

Finding the Fourth Proportional to 190,181.82, 262,459.11 and 105,298.88

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Solution

The fourth proportional to 190,181.82, 262,459.11 and 105,298.88 is: 145,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,181.82 : 262,459.11 = 105,298.88 : x
  2. Step 2: Convert to fraction form
    190,181.82/262,459.11 = 105,298.88/x
  3. Step 3: Cross multiply
    190,181.82x = 262,459.11 × 105,298.88
  4. Step 4: Simplify right side
    190,181.82x = 27,636,649,016.50
  5. Step 5: Solve for x
    x = 27,636,649,016.50/190,181.82
  6. Step 6: Final answer
    x = 145,316.99

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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.