Home / 183,993.03-253,917.57-103,420.32

Finding the Fourth Proportional to 183,993.03, 253,917.57 and 103,420.32

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Solution

The fourth proportional to 183,993.03, 253,917.57 and 103,420.32 is: 142,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,993.03 : 253,917.57 = 103,420.32 : x
  2. Step 2: Convert to fraction form
    183,993.03/253,917.57 = 103,420.32/x
  3. Step 3: Cross multiply
    183,993.03x = 253,917.57 × 103,420.32
  4. Step 4: Simplify right side
    183,993.03x = 26,260,236,343.02
  5. Step 5: Solve for x
    x = 26,260,236,343.02/183,993.03
  6. Step 6: Final answer
    x = 142,724.08

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1.5x scale

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.