Home / 136,804.03-188,876.07-93,855.40

Finding the Fourth Proportional to 136,804.03, 188,876.07 and 93,855.40

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Solution

The fourth proportional to 136,804.03, 188,876.07 and 93,855.40 is: 129,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,804.03 : 188,876.07 = 93,855.40 : x
  2. Step 2: Convert to fraction form
    136,804.03/188,876.07 = 93,855.40/x
  3. Step 3: Cross multiply
    136,804.03x = 188,876.07 × 93,855.40
  4. Step 4: Simplify right side
    136,804.03x = 17,727,038,628.09
  5. Step 5: Solve for x
    x = 17,727,038,628.09/136,804.03
  6. Step 6: Final answer
    x = 129,579.80

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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.