Home / 133,228.56-199,856.20-38,461.08

Finding the Fourth Proportional to 133,228.56, 199,856.20 and 38,461.08

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Solution

The fourth proportional to 133,228.56, 199,856.20 and 38,461.08 is: 57,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,228.56 : 199,856.20 = 38,461.08 : x
  2. Step 2: Convert to fraction form
    133,228.56/199,856.20 = 38,461.08/x
  3. Step 3: Cross multiply
    133,228.56x = 199,856.20 × 38,461.08
  4. Step 4: Simplify right side
    133,228.56x = 7,686,685,296.70
  5. Step 5: Solve for x
    x = 7,686,685,296.70/133,228.56
  6. Step 6: Final answer
    x = 57,695.48

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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.