Home / 305,439.03-458,158.59-95,077.08

Finding the Fourth Proportional to 305,439.03, 458,158.59 and 95,077.08

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Solution

The fourth proportional to 305,439.03, 458,158.59 and 95,077.08 is: 142,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,439.03 : 458,158.59 = 95,077.08 : x
  2. Step 2: Convert to fraction form
    305,439.03/458,158.59 = 95,077.08/x
  3. Step 3: Cross multiply
    305,439.03x = 458,158.59 × 95,077.08
  4. Step 4: Simplify right side
    305,439.03x = 43,560,380,914.12
  5. Step 5: Solve for x
    x = 43,560,380,914.12/305,439.03
  6. Step 6: Final answer
    x = 142,615.63

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1.5x scale

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.