Home / 157,840.64-236,699.54-51,198.81

Finding the Fourth Proportional to 157,840.64, 236,699.54 and 51,198.81

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Solution

The fourth proportional to 157,840.64, 236,699.54 and 51,198.81 is: 76,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,840.64 : 236,699.54 = 51,198.81 : x
  2. Step 2: Convert to fraction form
    157,840.64/236,699.54 = 51,198.81/x
  3. Step 3: Cross multiply
    157,840.64x = 236,699.54 × 51,198.81
  4. Step 4: Simplify right side
    157,840.64x = 12,118,734,903.54
  5. Step 5: Solve for x
    x = 12,118,734,903.54/157,840.64
  6. Step 6: Final answer
    x = 76,778.29

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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.