Home / 236,810.84-355,219.38-79,039.23

Finding the Fourth Proportional to 236,810.84, 355,219.38 and 79,039.23

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Solution

The fourth proportional to 236,810.84, 355,219.38 and 79,039.23 is: 118,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,810.84 : 355,219.38 = 79,039.23 : x
  2. Step 2: Convert to fraction form
    236,810.84/355,219.38 = 79,039.23/x
  3. Step 3: Cross multiply
    236,810.84x = 355,219.38 × 79,039.23
  4. Step 4: Simplify right side
    236,810.84x = 28,076,266,276.28
  5. Step 5: Solve for x
    x = 28,076,266,276.28/236,810.84
  6. Step 6: Final answer
    x = 118,559.89

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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.