Home / 165,602.75-248,195.85-89,698.32

Finding the Fourth Proportional to 165,602.75, 248,195.85 and 89,698.32

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Solution

The fourth proportional to 165,602.75, 248,195.85 and 89,698.32 is: 134,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,602.75 : 248,195.85 = 89,698.32 : x
  2. Step 2: Convert to fraction form
    165,602.75/248,195.85 = 89,698.32/x
  3. Step 3: Cross multiply
    165,602.75x = 248,195.85 × 89,698.32
  4. Step 4: Simplify right side
    165,602.75x = 22,262,750,775.97
  5. Step 5: Solve for x
    x = 22,262,750,775.97/165,602.75
  6. Step 6: Final answer
    x = 134,434.67

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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.