Home / 188,130.33-258,986.77-162,985.91

Finding the Fourth Proportional to 188,130.33, 258,986.77 and 162,985.91

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Solution

The fourth proportional to 188,130.33, 258,986.77 and 162,985.91 is: 224,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,130.33 : 258,986.77 = 162,985.91 : x
  2. Step 2: Convert to fraction form
    188,130.33/258,986.77 = 162,985.91/x
  3. Step 3: Cross multiply
    188,130.33x = 258,986.77 × 162,985.91
  4. Step 4: Simplify right side
    188,130.33x = 42,211,192,684.01
  5. Step 5: Solve for x
    x = 42,211,192,684.01/188,130.33
  6. Step 6: Final answer
    x = 224,372.08

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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.