Home / 190,343.01-285,516.50-76,543.48

Finding the Fourth Proportional to 190,343.01, 285,516.50 and 76,543.48

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Solution

The fourth proportional to 190,343.01, 285,516.50 and 76,543.48 is: 114,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.01 : 285,516.50 = 76,543.48 : x
  2. Step 2: Convert to fraction form
    190,343.01/285,516.50 = 76,543.48/x
  3. Step 3: Cross multiply
    190,343.01x = 285,516.50 × 76,543.48
  4. Step 4: Simplify right side
    190,343.01x = 21,854,426,481.60
  5. Step 5: Solve for x
    x = 21,854,426,481.60/190,343.01
  6. Step 6: Final answer
    x = 114,816.02

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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.