Home / 164,478.79-246,519.38-80,112.53

Finding the Fourth Proportional to 164,478.79, 246,519.38 and 80,112.53

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Solution

The fourth proportional to 164,478.79, 246,519.38 and 80,112.53 is: 120,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,478.79 : 246,519.38 = 80,112.53 : x
  2. Step 2: Convert to fraction form
    164,478.79/246,519.38 = 80,112.53/x
  3. Step 3: Cross multiply
    164,478.79x = 246,519.38 × 80,112.53
  4. Step 4: Simplify right side
    164,478.79x = 19,749,291,225.83
  5. Step 5: Solve for x
    x = 19,749,291,225.83/164,478.79
  6. Step 6: Final answer
    x = 120,071.96

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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.