Home / 147,702.82-221,626.53-91,527.91

Finding the Fourth Proportional to 147,702.82, 221,626.53 and 91,527.91

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Solution

The fourth proportional to 147,702.82, 221,626.53 and 91,527.91 is: 137,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,702.82 : 221,626.53 = 91,527.91 : x
  2. Step 2: Convert to fraction form
    147,702.82/221,626.53 = 91,527.91/x
  3. Step 3: Cross multiply
    147,702.82x = 221,626.53 × 91,527.91
  4. Step 4: Simplify right side
    147,702.82x = 20,285,013,091.45
  5. Step 5: Solve for x
    x = 20,285,013,091.45/147,702.82
  6. Step 6: Final answer
    x = 137,336.67

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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.