Home / 193,205.60-289,808.40-177,999.20

Finding the Fourth Proportional to 193,205.60, 289,808.40 and 177,999.20

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Solution

The fourth proportional to 193,205.60, 289,808.40 and 177,999.20 is: 266,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,205.60 : 289,808.40 = 177,999.20 : x
  2. Step 2: Convert to fraction form
    193,205.60/289,808.40 = 177,999.20/x
  3. Step 3: Cross multiply
    193,205.60x = 289,808.40 × 177,999.20
  4. Step 4: Simplify right side
    193,205.60x = 51,585,663,353.28
  5. Step 5: Solve for x
    x = 51,585,663,353.28/193,205.60
  6. Step 6: Final answer
    x = 266,998.80

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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.