Home / 190,185.99-285,306.81-57,076.77

Finding the Fourth Proportional to 190,185.99, 285,306.81 and 57,076.77

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Solution

The fourth proportional to 190,185.99, 285,306.81 and 57,076.77 is: 85,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,185.99 : 285,306.81 = 57,076.77 : x
  2. Step 2: Convert to fraction form
    190,185.99/285,306.81 = 57,076.77/x
  3. Step 3: Cross multiply
    190,185.99x = 285,306.81 × 57,076.77
  4. Step 4: Simplify right side
    190,185.99x = 16,284,390,424.82
  5. Step 5: Solve for x
    x = 16,284,390,424.82/190,185.99
  6. Step 6: Final answer
    x = 85,623.50

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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.