Home / 190,221.99-285,388.53-85,016.34

Finding the Fourth Proportional to 190,221.99, 285,388.53 and 85,016.34

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Solution

The fourth proportional to 190,221.99, 285,388.53 and 85,016.34 is: 127,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,221.99 : 285,388.53 = 85,016.34 : x
  2. Step 2: Convert to fraction form
    190,221.99/285,388.53 = 85,016.34/x
  3. Step 3: Cross multiply
    190,221.99x = 285,388.53 × 85,016.34
  4. Step 4: Simplify right side
    190,221.99x = 24,262,688,298.58
  5. Step 5: Solve for x
    x = 24,262,688,298.58/190,221.99
  6. Step 6: Final answer
    x = 127,549.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.