Home / 171,736.02-257,551.54-118,768.38

Finding the Fourth Proportional to 171,736.02, 257,551.54 and 118,768.38

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Solution

The fourth proportional to 171,736.02, 257,551.54 and 118,768.38 is: 178,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,736.02 : 257,551.54 = 118,768.38 : x
  2. Step 2: Convert to fraction form
    171,736.02/257,551.54 = 118,768.38/x
  3. Step 3: Cross multiply
    171,736.02x = 257,551.54 × 118,768.38
  4. Step 4: Simplify right side
    171,736.02x = 30,588,979,172.31
  5. Step 5: Solve for x
    x = 30,588,979,172.31/171,736.02
  6. Step 6: Final answer
    x = 178,116.27

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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.