Home / 141,147.36-194,783.54-77,485.41

Finding the Fourth Proportional to 141,147.36, 194,783.54 and 77,485.41

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Solution

The fourth proportional to 141,147.36, 194,783.54 and 77,485.41 is: 106,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,147.36 : 194,783.54 = 77,485.41 : x
  2. Step 2: Convert to fraction form
    141,147.36/194,783.54 = 77,485.41/x
  3. Step 3: Cross multiply
    141,147.36x = 194,783.54 × 77,485.41
  4. Step 4: Simplify right side
    141,147.36x = 15,092,882,070.72
  5. Step 5: Solve for x
    x = 15,092,882,070.72/141,147.36
  6. Step 6: Final answer
    x = 106,929.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.