Home / 129,828.10-194,778.60-63,270.40

Finding the Fourth Proportional to 129,828.10, 194,778.60 and 63,270.40

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Solution

The fourth proportional to 129,828.10, 194,778.60 and 63,270.40 is: 94,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,828.10 : 194,778.60 = 63,270.40 : x
  2. Step 2: Convert to fraction form
    129,828.10/194,778.60 = 63,270.40/x
  3. Step 3: Cross multiply
    129,828.10x = 194,778.60 × 63,270.40
  4. Step 4: Simplify right side
    129,828.10x = 12,323,719,933.44
  5. Step 5: Solve for x
    x = 12,323,719,933.44/129,828.10
  6. Step 6: Final answer
    x = 94,923.36

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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.