Home / 193,868.80-290,803.20-127,513.60

Finding the Fourth Proportional to 193,868.80, 290,803.20 and 127,513.60

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Solution

The fourth proportional to 193,868.80, 290,803.20 and 127,513.60 is: 191,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,868.80 : 290,803.20 = 127,513.60 : x
  2. Step 2: Convert to fraction form
    193,868.80/290,803.20 = 127,513.60/x
  3. Step 3: Cross multiply
    193,868.80x = 290,803.20 × 127,513.60
  4. Step 4: Simplify right side
    193,868.80x = 37,081,362,923.52
  5. Step 5: Solve for x
    x = 37,081,362,923.52/193,868.80
  6. Step 6: Final answer
    x = 191,270.40

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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.