Home / 236,918.90-355,205.55-96,605.30

Finding the Fourth Proportional to 236,918.90, 355,205.55 and 96,605.30

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Solution

The fourth proportional to 236,918.90, 355,205.55 and 96,605.30 is: 144,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,918.90 : 355,205.55 = 96,605.30 : x
  2. Step 2: Convert to fraction form
    236,918.90/355,205.55 = 96,605.30/x
  3. Step 3: Cross multiply
    236,918.90x = 355,205.55 × 96,605.30
  4. Step 4: Simplify right side
    236,918.90x = 34,314,738,719.42
  5. Step 5: Solve for x
    x = 34,314,738,719.42/236,918.90
  6. Step 6: Final answer
    x = 144,837.49

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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.