Home / 118,336.80-162,890.46-103,202.76

Finding the Fourth Proportional to 118,336.80, 162,890.46 and 103,202.76

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Solution

The fourth proportional to 118,336.80, 162,890.46 and 103,202.76 is: 142,058.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336.80 : 162,890.46 = 103,202.76 : x
  2. Step 2: Convert to fraction form
    118,336.80/162,890.46 = 103,202.76/x
  3. Step 3: Cross multiply
    118,336.80x = 162,890.46 × 103,202.76
  4. Step 4: Simplify right side
    118,336.80x = 16,810,745,049.67
  5. Step 5: Solve for x
    x = 16,810,745,049.67/118,336.80
  6. Step 6: Final answer
    x = 142,058.47

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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.