Home / 305,446.12-458,196.12-113,322.76

Finding the Fourth Proportional to 305,446.12, 458,196.12 and 113,322.76

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Solution

The fourth proportional to 305,446.12, 458,196.12 and 113,322.76 is: 169,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,446.12 : 458,196.12 = 113,322.76 : x
  2. Step 2: Convert to fraction form
    305,446.12/458,196.12 = 113,322.76/x
  3. Step 3: Cross multiply
    305,446.12x = 458,196.12 × 113,322.76
  4. Step 4: Simplify right side
    305,446.12x = 51,924,047,794.20
  5. Step 5: Solve for x
    x = 51,924,047,794.20/305,446.12
  6. Step 6: Final answer
    x = 169,994.13

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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.