Home / 113,310.23-170,639.87-98,695.67

Finding the Fourth Proportional to 113,310.23, 170,639.87 and 98,695.67

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Solution

The fourth proportional to 113,310.23, 170,639.87 and 98,695.67 is: 148,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.23 : 170,639.87 = 98,695.67 : x
  2. Step 2: Convert to fraction form
    113,310.23/170,639.87 = 98,695.67/x
  3. Step 3: Cross multiply
    113,310.23x = 170,639.87 × 98,695.67
  4. Step 4: Simplify right side
    113,310.23x = 16,841,414,951.69
  5. Step 5: Solve for x
    x = 16,841,414,951.69/113,310.23
  6. Step 6: Final answer
    x = 148,631.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.