Home / 168,912.15-253,407.64-48,971.60

Finding the Fourth Proportional to 168,912.15, 253,407.64 and 48,971.60

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Solution

The fourth proportional to 168,912.15, 253,407.64 and 48,971.60 is: 73,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,912.15 : 253,407.64 = 48,971.60 : x
  2. Step 2: Convert to fraction form
    168,912.15/253,407.64 = 48,971.60/x
  3. Step 3: Cross multiply
    168,912.15x = 253,407.64 × 48,971.60
  4. Step 4: Simplify right side
    168,912.15x = 12,409,776,315.99
  5. Step 5: Solve for x
    x = 12,409,776,315.99/168,912.15
  6. Step 6: Final answer
    x = 73,468.82

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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.