Home / 127,344.15-190,991.52-121,022.10

Finding the Fourth Proportional to 127,344.15, 190,991.52 and 121,022.10

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Solution

The fourth proportional to 127,344.15, 190,991.52 and 121,022.10 is: 181,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,344.15 : 190,991.52 = 121,022.10 : x
  2. Step 2: Convert to fraction form
    127,344.15/190,991.52 = 121,022.10/x
  3. Step 3: Cross multiply
    127,344.15x = 190,991.52 × 121,022.10
  4. Step 4: Simplify right side
    127,344.15x = 23,114,194,832.59
  5. Step 5: Solve for x
    x = 23,114,194,832.59/127,344.15
  6. Step 6: Final answer
    x = 181,509.67

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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.