Home / 132,200.91-198,323.24-65,643.21

Finding the Fourth Proportional to 132,200.91, 198,323.24 and 65,643.21

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Solution

The fourth proportional to 132,200.91, 198,323.24 and 65,643.21 is: 98,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.91 : 198,323.24 = 65,643.21 : x
  2. Step 2: Convert to fraction form
    132,200.91/198,323.24 = 65,643.21/x
  3. Step 3: Cross multiply
    132,200.91x = 198,323.24 × 65,643.21
  4. Step 4: Simplify right side
    132,200.91x = 13,018,573,762.98
  5. Step 5: Solve for x
    x = 13,018,573,762.98/132,200.91
  6. Step 6: Final answer
    x = 98,475.67

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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.