Home / 193,756.02-290,515.16-75,289.08

Finding the Fourth Proportional to 193,756.02, 290,515.16 and 75,289.08

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Solution

The fourth proportional to 193,756.02, 290,515.16 and 75,289.08 is: 112,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,756.02 : 290,515.16 = 75,289.08 : x
  2. Step 2: Convert to fraction form
    193,756.02/290,515.16 = 75,289.08/x
  3. Step 3: Cross multiply
    193,756.02x = 290,515.16 × 75,289.08
  4. Step 4: Simplify right side
    193,756.02x = 21,872,619,122.45
  5. Step 5: Solve for x
    x = 21,872,619,122.45/193,756.02
  6. Step 6: Final answer
    x = 112,887.43

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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.