Home / 188,635.36-260,312.52-103,750.60

Finding the Fourth Proportional to 188,635.36, 260,312.52 and 103,750.60

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Solution

The fourth proportional to 188,635.36, 260,312.52 and 103,750.60 is: 143,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,635.36 : 260,312.52 = 103,750.60 : x
  2. Step 2: Convert to fraction form
    188,635.36/260,312.52 = 103,750.60/x
  3. Step 3: Cross multiply
    188,635.36x = 260,312.52 × 103,750.60
  4. Step 4: Simplify right side
    188,635.36x = 27,007,580,137.51
  5. Step 5: Solve for x
    x = 27,007,580,137.51/188,635.36
  6. Step 6: Final answer
    x = 143,173.48

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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.