Home / 193,639.30-290,420.55-93,799.30

Finding the Fourth Proportional to 193,639.30, 290,420.55 and 93,799.30

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Solution

The fourth proportional to 193,639.30, 290,420.55 and 93,799.30 is: 140,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,639.30 : 290,420.55 = 93,799.30 : x
  2. Step 2: Convert to fraction form
    193,639.30/290,420.55 = 93,799.30/x
  3. Step 3: Cross multiply
    193,639.30x = 290,420.55 × 93,799.30
  4. Step 4: Simplify right side
    193,639.30x = 27,241,244,295.62
  5. Step 5: Solve for x
    x = 27,241,244,295.62/193,639.30
  6. Step 6: Final answer
    x = 140,680.35

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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.