Home / 190,335.37-285,503.27-57,215.61

Finding the Fourth Proportional to 190,335.37, 285,503.27 and 57,215.61

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Solution

The fourth proportional to 190,335.37, 285,503.27 and 57,215.61 is: 85,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.37 : 285,503.27 = 57,215.61 : x
  2. Step 2: Convert to fraction form
    190,335.37/285,503.27 = 57,215.61/x
  3. Step 3: Cross multiply
    190,335.37x = 285,503.27 × 57,215.61
  4. Step 4: Simplify right side
    190,335.37x = 16,335,244,177.72
  5. Step 5: Solve for x
    x = 16,335,244,177.72/190,335.37
  6. Step 6: Final answer
    x = 85,823.48

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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.