Home / 199,719.60-299,579.40-184,513.20

Finding the Fourth Proportional to 199,719.60, 299,579.40 and 184,513.20

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Solution

The fourth proportional to 199,719.60, 299,579.40 and 184,513.20 is: 276,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,719.60 : 299,579.40 = 184,513.20 : x
  2. Step 2: Convert to fraction form
    199,719.60/299,579.40 = 184,513.20/x
  3. Step 3: Cross multiply
    199,719.60x = 299,579.40 × 184,513.20
  4. Step 4: Simplify right side
    199,719.60x = 55,276,353,748.08
  5. Step 5: Solve for x
    x = 55,276,353,748.08/199,719.60
  6. Step 6: Final answer
    x = 276,769.80

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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.