Home / 193,746.24-290,611.32-67,415.40

Finding the Fourth Proportional to 193,746.24, 290,611.32 and 67,415.40

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Solution

The fourth proportional to 193,746.24, 290,611.32 and 67,415.40 is: 101,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,746.24 : 290,611.32 = 67,415.40 : x
  2. Step 2: Convert to fraction form
    193,746.24/290,611.32 = 67,415.40/x
  3. Step 3: Cross multiply
    193,746.24x = 290,611.32 × 67,415.40
  4. Step 4: Simplify right side
    193,746.24x = 19,591,678,382.33
  5. Step 5: Solve for x
    x = 19,591,678,382.33/193,746.24
  6. Step 6: Final answer
    x = 101,120.30

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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.