Home / 140,883.56-194,418.81-76,354.36

Finding the Fourth Proportional to 140,883.56, 194,418.81 and 76,354.36

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Solution

The fourth proportional to 140,883.56, 194,418.81 and 76,354.36 is: 105,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,883.56 : 194,418.81 = 76,354.36 : x
  2. Step 2: Convert to fraction form
    140,883.56/194,418.81 = 76,354.36/x
  3. Step 3: Cross multiply
    140,883.56x = 194,418.81 × 76,354.36
  4. Step 4: Simplify right side
    140,883.56x = 14,844,724,602.12
  5. Step 5: Solve for x
    x = 14,844,724,602.12/140,883.56
  6. Step 6: Final answer
    x = 105,368.75

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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.