Home / 118,953.12-164,157.41-65,237.67

Finding the Fourth Proportional to 118,953.12, 164,157.41 and 65,237.67

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Solution

The fourth proportional to 118,953.12, 164,157.41 and 65,237.67 is: 90,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,953.12 : 164,157.41 = 65,237.67 : x
  2. Step 2: Convert to fraction form
    118,953.12/164,157.41 = 65,237.67/x
  3. Step 3: Cross multiply
    118,953.12x = 164,157.41 × 65,237.67
  4. Step 4: Simplify right side
    118,953.12x = 10,709,245,794.66
  5. Step 5: Solve for x
    x = 10,709,245,794.66/118,953.12
  6. Step 6: Final answer
    x = 90,029.13

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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.