Home / 148,368.90-204,637.41-103,046.97

Finding the Fourth Proportional to 148,368.90, 204,637.41 and 103,046.97

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Solution

The fourth proportional to 148,368.90, 204,637.41 and 103,046.97 is: 142,127.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,368.90 : 204,637.41 = 103,046.97 : x
  2. Step 2: Convert to fraction form
    148,368.90/204,637.41 = 103,046.97/x
  3. Step 3: Cross multiply
    148,368.90x = 204,637.41 × 103,046.97
  4. Step 4: Simplify right side
    148,368.90x = 21,087,265,049.15
  5. Step 5: Solve for x
    x = 21,087,265,049.15/148,368.90
  6. Step 6: Final answer
    x = 142,127.26

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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.