Home / 123,901-185,880.14-43,934.74

Finding the Fourth Proportional to 123,901, 185,880.14 and 43,934.74

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Solution

The fourth proportional to 123,901, 185,880.14 and 43,934.74 is: 65,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,901 : 185,880.14 = 43,934.74 : x
  2. Step 2: Convert to fraction form
    123,901/185,880.14 = 43,934.74/x
  3. Step 3: Cross multiply
    123,901x = 185,880.14 × 43,934.74
  4. Step 4: Simplify right side
    123,901x = 8,166,595,622.06
  5. Step 5: Solve for x
    x = 8,166,595,622.06/123,901
  6. Step 6: Final answer
    x = 65,912.27

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1.5x scale

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.