Home / 184,428.90-276,643.35-172,619.10

Finding the Fourth Proportional to 184,428.90, 276,643.35 and 172,619.10

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Solution

The fourth proportional to 184,428.90, 276,643.35 and 172,619.10 is: 258,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,428.90 : 276,643.35 = 172,619.10 : x
  2. Step 2: Convert to fraction form
    184,428.90/276,643.35 = 172,619.10/x
  3. Step 3: Cross multiply
    184,428.90x = 276,643.35 × 172,619.10
  4. Step 4: Simplify right side
    184,428.90x = 47,753,926,097.99
  5. Step 5: Solve for x
    x = 47,753,926,097.99/184,428.90
  6. Step 6: Final answer
    x = 258,928.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.