Home / 371,452.49-557,179.35-118,753.36

Finding the Fourth Proportional to 371,452.49, 557,179.35 and 118,753.36

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Solution

The fourth proportional to 371,452.49, 557,179.35 and 118,753.36 is: 178,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,452.49 : 557,179.35 = 118,753.36 : x
  2. Step 2: Convert to fraction form
    371,452.49/557,179.35 = 118,753.36/x
  3. Step 3: Cross multiply
    371,452.49x = 557,179.35 × 118,753.36
  4. Step 4: Simplify right side
    371,452.49x = 66,166,919,935.12
  5. Step 5: Solve for x
    x = 66,166,919,935.12/371,452.49
  6. Step 6: Final answer
    x = 178,130.24

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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.