Home / 190,621.54-285,869.67-64,227.76

Finding the Fourth Proportional to 190,621.54, 285,869.67 and 64,227.76

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Solution

The fourth proportional to 190,621.54, 285,869.67 and 64,227.76 is: 96,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,621.54 : 285,869.67 = 64,227.76 : x
  2. Step 2: Convert to fraction form
    190,621.54/285,869.67 = 64,227.76/x
  3. Step 3: Cross multiply
    190,621.54x = 285,869.67 × 64,227.76
  4. Step 4: Simplify right side
    190,621.54x = 18,360,768,556.04
  5. Step 5: Solve for x
    x = 18,360,768,556.04/190,621.54
  6. Step 6: Final answer
    x = 96,320.53

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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.