Home / 188,848.30-260,611.64-103,965.36

Finding the Fourth Proportional to 188,848.30, 260,611.64 and 103,965.36

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Solution

The fourth proportional to 188,848.30, 260,611.64 and 103,965.36 is: 143,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,848.30 : 260,611.64 = 103,965.36 : x
  2. Step 2: Convert to fraction form
    188,848.30/260,611.64 = 103,965.36/x
  3. Step 3: Cross multiply
    188,848.30x = 260,611.64 × 103,965.36
  4. Step 4: Simplify right side
    188,848.30x = 27,094,582,452.96
  5. Step 5: Solve for x
    x = 27,094,582,452.96/188,848.30
  6. Step 6: Final answer
    x = 143,472.74

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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.