Home / 213,121.95-294,087.35-117,622.48

Finding the Fourth Proportional to 213,121.95, 294,087.35 and 117,622.48

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Solution

The fourth proportional to 213,121.95, 294,087.35 and 117,622.48 is: 162,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,121.95 : 294,087.35 = 117,622.48 : x
  2. Step 2: Convert to fraction form
    213,121.95/294,087.35 = 117,622.48/x
  3. Step 3: Cross multiply
    213,121.95x = 294,087.35 × 117,622.48
  4. Step 4: Simplify right side
    213,121.95x = 34,591,283,737.68
  5. Step 5: Solve for x
    x = 34,591,283,737.68/213,121.95
  6. Step 6: Final answer
    x = 162,307.47

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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.