Home / 189,486.08-261,483.94-104,601.32

Finding the Fourth Proportional to 189,486.08, 261,483.94 and 104,601.32

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Solution

The fourth proportional to 189,486.08, 261,483.94 and 104,601.32 is: 144,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,486.08 : 261,483.94 = 104,601.32 : x
  2. Step 2: Convert to fraction form
    189,486.08/261,483.94 = 104,601.32/x
  3. Step 3: Cross multiply
    189,486.08x = 261,483.94 × 104,601.32
  4. Step 4: Simplify right side
    189,486.08x = 27,351,565,282.80
  5. Step 5: Solve for x
    x = 27,351,565,282.80/189,486.08
  6. Step 6: Final answer
    x = 144,346.04

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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.