Home / 151,825.53-209,516.85-83,840.81

Finding the Fourth Proportional to 151,825.53, 209,516.85 and 83,840.81

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Solution

The fourth proportional to 151,825.53, 209,516.85 and 83,840.81 is: 115,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,825.53 : 209,516.85 = 83,840.81 : x
  2. Step 2: Convert to fraction form
    151,825.53/209,516.85 = 83,840.81/x
  3. Step 3: Cross multiply
    151,825.53x = 209,516.85 × 83,840.81
  4. Step 4: Simplify right side
    151,825.53x = 17,566,062,936.44
  5. Step 5: Solve for x
    x = 17,566,062,936.44/151,825.53
  6. Step 6: Final answer
    x = 115,699.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.