Home / 199,869.60-275,830.32-114,999.36

Finding the Fourth Proportional to 199,869.60, 275,830.32 and 114,999.36

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Solution

The fourth proportional to 199,869.60, 275,830.32 and 114,999.36 is: 158,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,869.60 : 275,830.32 = 114,999.36 : x
  2. Step 2: Convert to fraction form
    199,869.60/275,830.32 = 114,999.36/x
  3. Step 3: Cross multiply
    199,869.60x = 275,830.32 × 114,999.36
  4. Step 4: Simplify right side
    199,869.60x = 31,720,310,268.60
  5. Step 5: Solve for x
    x = 31,720,310,268.60/199,869.60
  6. Step 6: Final answer
    x = 158,705.03

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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.