Home / 127,316.92-190,614.49-105,796.84

Finding the Fourth Proportional to 127,316.92, 190,614.49 and 105,796.84

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Solution

The fourth proportional to 127,316.92, 190,614.49 and 105,796.84 is: 158,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316.92 : 190,614.49 = 105,796.84 : x
  2. Step 2: Convert to fraction form
    127,316.92/190,614.49 = 105,796.84/x
  3. Step 3: Cross multiply
    127,316.92x = 190,614.49 × 105,796.84
  4. Step 4: Simplify right side
    127,316.92x = 20,166,410,700.21
  5. Step 5: Solve for x
    x = 20,166,410,700.21/127,316.92
  6. Step 6: Final answer
    x = 158,395.37

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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.