Home / 189,071.07-260,923.65-104,193.60

Finding the Fourth Proportional to 189,071.07, 260,923.65 and 104,193.60

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Solution

The fourth proportional to 189,071.07, 260,923.65 and 104,193.60 is: 143,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,071.07 : 260,923.65 = 104,193.60 : x
  2. Step 2: Convert to fraction form
    189,071.07/260,923.65 = 104,193.60/x
  3. Step 3: Cross multiply
    189,071.07x = 260,923.65 × 104,193.60
  4. Step 4: Simplify right side
    189,071.07x = 27,186,574,418.64
  5. Step 5: Solve for x
    x = 27,186,574,418.64/189,071.07
  6. Step 6: Final answer
    x = 143,790.24

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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.