Home / 129,736.45-194,677.58-70,576.26

Finding the Fourth Proportional to 129,736.45, 194,677.58 and 70,576.26

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Solution

The fourth proportional to 129,736.45, 194,677.58 and 70,576.26 is: 105,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,736.45 : 194,677.58 = 70,576.26 : x
  2. Step 2: Convert to fraction form
    129,736.45/194,677.58 = 70,576.26/x
  3. Step 3: Cross multiply
    129,736.45x = 194,677.58 × 70,576.26
  4. Step 4: Simplify right side
    129,736.45x = 13,739,615,502.25
  5. Step 5: Solve for x
    x = 13,739,615,502.25/129,736.45
  6. Step 6: Final answer
    x = 105,904.05

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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.