Home / 236,681.80-326,435.70-151,806.60

Finding the Fourth Proportional to 236,681.80, 326,435.70 and 151,806.60

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Solution

The fourth proportional to 236,681.80, 326,435.70 and 151,806.60 is: 209,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,681.80 : 326,435.70 = 151,806.60 : x
  2. Step 2: Convert to fraction form
    236,681.80/326,435.70 = 151,806.60/x
  3. Step 3: Cross multiply
    236,681.80x = 326,435.70 × 151,806.60
  4. Step 4: Simplify right side
    236,681.80x = 49,555,093,735.62
  5. Step 5: Solve for x
    x = 49,555,093,735.62/236,681.80
  6. Step 6: Final answer
    x = 209,374.33

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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.