Home / 148,365.84-204,744.78-84,702.36

Finding the Fourth Proportional to 148,365.84, 204,744.78 and 84,702.36

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Solution

The fourth proportional to 148,365.84, 204,744.78 and 84,702.36 is: 116,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365.84 : 204,744.78 = 84,702.36 : x
  2. Step 2: Convert to fraction form
    148,365.84/204,744.78 = 84,702.36/x
  3. Step 3: Cross multiply
    148,365.84x = 204,744.78 × 84,702.36
  4. Step 4: Simplify right side
    148,365.84x = 17,342,366,063.68
  5. Step 5: Solve for x
    x = 17,342,366,063.68/148,365.84
  6. Step 6: Final answer
    x = 116,889.21

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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.