Home / 145,936.12-218,916.60-46,069.60

Finding the Fourth Proportional to 145,936.12, 218,916.60 and 46,069.60

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Solution

The fourth proportional to 145,936.12, 218,916.60 and 46,069.60 is: 69,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936.12 : 218,916.60 = 46,069.60 : x
  2. Step 2: Convert to fraction form
    145,936.12/218,916.60 = 46,069.60/x
  3. Step 3: Cross multiply
    145,936.12x = 218,916.60 × 46,069.60
  4. Step 4: Simplify right side
    145,936.12x = 10,085,400,195.36
  5. Step 5: Solve for x
    x = 10,085,400,195.36/145,936.12
  6. Step 6: Final answer
    x = 69,108.32

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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.