Home / 189,718.08-261,788.16-104,823.52

Finding the Fourth Proportional to 189,718.08, 261,788.16 and 104,823.52

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Solution

The fourth proportional to 189,718.08, 261,788.16 and 104,823.52 is: 144,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,718.08 : 261,788.16 = 104,823.52 : x
  2. Step 2: Convert to fraction form
    189,718.08/261,788.16 = 104,823.52/x
  3. Step 3: Cross multiply
    189,718.08x = 261,788.16 × 104,823.52
  4. Step 4: Simplify right side
    189,718.08x = 27,441,556,425.52
  5. Step 5: Solve for x
    x = 27,441,556,425.52/189,718.08
  6. Step 6: Final answer
    x = 144,643.87

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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.