Home / 126,841.42-190,096.80-70,679.26

Finding the Fourth Proportional to 126,841.42, 190,096.80 and 70,679.26

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Solution

The fourth proportional to 126,841.42, 190,096.80 and 70,679.26 is: 105,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.42 : 190,096.80 = 70,679.26 : x
  2. Step 2: Convert to fraction form
    126,841.42/190,096.80 = 70,679.26/x
  3. Step 3: Cross multiply
    126,841.42x = 190,096.80 × 70,679.26
  4. Step 4: Simplify right side
    126,841.42x = 13,435,901,152.37
  5. Step 5: Solve for x
    x = 13,435,901,152.37/126,841.42
  6. Step 6: Final answer
    x = 105,926.76

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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.