Home / 193,352.04-289,915.65-129,383.28

Finding the Fourth Proportional to 193,352.04, 289,915.65 and 129,383.28

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Solution

The fourth proportional to 193,352.04, 289,915.65 and 129,383.28 is: 193,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,352.04 : 289,915.65 = 129,383.28 : x
  2. Step 2: Convert to fraction form
    193,352.04/289,915.65 = 129,383.28/x
  3. Step 3: Cross multiply
    193,352.04x = 289,915.65 × 129,383.28
  4. Step 4: Simplify right side
    193,352.04x = 37,510,237,720.33
  5. Step 5: Solve for x
    x = 37,510,237,720.33/193,352.04
  6. Step 6: Final answer
    x = 193,999.70

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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.