Home / 190,529.87-285,808.77-64,169.46

Finding the Fourth Proportional to 190,529.87, 285,808.77 and 64,169.46

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Solution

The fourth proportional to 190,529.87, 285,808.77 and 64,169.46 is: 96,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,529.87 : 285,808.77 = 64,169.46 : x
  2. Step 2: Convert to fraction form
    190,529.87/285,808.77 = 64,169.46/x
  3. Step 3: Cross multiply
    190,529.87x = 285,808.77 × 64,169.46
  4. Step 4: Simplify right side
    190,529.87x = 18,340,194,434.16
  5. Step 5: Solve for x
    x = 18,340,194,434.16/190,529.87
  6. Step 6: Final answer
    x = 96,258.90

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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.