Home / 141,015.63-194,574.64-80,605.43

Finding the Fourth Proportional to 141,015.63, 194,574.64 and 80,605.43

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Solution

The fourth proportional to 141,015.63, 194,574.64 and 80,605.43 is: 111,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.63 : 194,574.64 = 80,605.43 : x
  2. Step 2: Convert to fraction form
    141,015.63/194,574.64 = 80,605.43/x
  3. Step 3: Cross multiply
    141,015.63x = 194,574.64 × 80,605.43
  4. Step 4: Simplify right side
    141,015.63x = 15,683,772,524.30
  5. Step 5: Solve for x
    x = 15,683,772,524.30/141,015.63
  6. Step 6: Final answer
    x = 111,220.10

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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.