Home / 115,897.26-173,860.48-40,999.80

Finding the Fourth Proportional to 115,897.26, 173,860.48 and 40,999.80

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Solution

The fourth proportional to 115,897.26, 173,860.48 and 40,999.80 is: 61,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,897.26 : 173,860.48 = 40,999.80 : x
  2. Step 2: Convert to fraction form
    115,897.26/173,860.48 = 40,999.80/x
  3. Step 3: Cross multiply
    115,897.26x = 173,860.48 × 40,999.80
  4. Step 4: Simplify right side
    115,897.26x = 7,128,244,907.90
  5. Step 5: Solve for x
    x = 7,128,244,907.90/115,897.26
  6. Step 6: Final answer
    x = 61,504.86

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1.5x scale

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.