Home / 193,266.60-289,899.90-51,111.60

Finding the Fourth Proportional to 193,266.60, 289,899.90 and 51,111.60

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Solution

The fourth proportional to 193,266.60, 289,899.90 and 51,111.60 is: 76,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,266.60 : 289,899.90 = 51,111.60 : x
  2. Step 2: Convert to fraction form
    193,266.60/289,899.90 = 51,111.60/x
  3. Step 3: Cross multiply
    193,266.60x = 289,899.90 × 51,111.60
  4. Step 4: Simplify right side
    193,266.60x = 14,817,247,728.84
  5. Step 5: Solve for x
    x = 14,817,247,728.84/193,266.60
  6. Step 6: Final answer
    x = 76,667.40

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Similar ratio
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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.