Home / 118,204.68-163,232.91-75,836.82

Finding the Fourth Proportional to 118,204.68, 163,232.91 and 75,836.82

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Solution

The fourth proportional to 118,204.68, 163,232.91 and 75,836.82 is: 104,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,204.68 : 163,232.91 = 75,836.82 : x
  2. Step 2: Convert to fraction form
    118,204.68/163,232.91 = 75,836.82/x
  3. Step 3: Cross multiply
    118,204.68x = 163,232.91 × 75,836.82
  4. Step 4: Simplify right side
    118,204.68x = 12,379,064,813.75
  5. Step 5: Solve for x
    x = 12,379,064,813.75/118,204.68
  6. Step 6: Final answer
    x = 104,725.67

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1.5x scale

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.