Home / 190,499.20-285,748.76-64,128.84

Finding the Fourth Proportional to 190,499.20, 285,748.76 and 64,128.84

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Solution

The fourth proportional to 190,499.20, 285,748.76 and 64,128.84 is: 96,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,499.20 : 285,748.76 = 64,128.84 : x
  2. Step 2: Convert to fraction form
    190,499.20/285,748.76 = 64,128.84/x
  3. Step 3: Cross multiply
    190,499.20x = 285,748.76 × 64,128.84
  4. Step 4: Simplify right side
    190,499.20x = 18,324,736,510.24
  5. Step 5: Solve for x
    x = 18,324,736,510.24/190,499.20
  6. Step 6: Final answer
    x = 96,193.25

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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.