Home / 190,335.76-285,529.85-63,985.81

Finding the Fourth Proportional to 190,335.76, 285,529.85 and 63,985.81

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Solution

The fourth proportional to 190,335.76, 285,529.85 and 63,985.81 is: 95,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.76 : 285,529.85 = 63,985.81 : x
  2. Step 2: Convert to fraction form
    190,335.76/285,529.85 = 63,985.81/x
  3. Step 3: Cross multiply
    190,335.76x = 285,529.85 × 63,985.81
  4. Step 4: Simplify right side
    190,335.76x = 18,269,858,731.43
  5. Step 5: Solve for x
    x = 18,269,858,731.43/190,335.76
  6. Step 6: Final answer
    x = 95,987.53

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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.