Home / 179,528.40-247,704.48-115,789.50

Finding the Fourth Proportional to 179,528.40, 247,704.48 and 115,789.50

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Solution

The fourth proportional to 179,528.40, 247,704.48 and 115,789.50 is: 159,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,528.40 : 247,704.48 = 115,789.50 : x
  2. Step 2: Convert to fraction form
    179,528.40/247,704.48 = 115,789.50/x
  3. Step 3: Cross multiply
    179,528.40x = 247,704.48 × 115,789.50
  4. Step 4: Simplify right side
    179,528.40x = 28,681,577,886.96
  5. Step 5: Solve for x
    x = 28,681,577,886.96/179,528.40
  6. Step 6: Final answer
    x = 159,760.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.