Home / 190,128.56-262,359.68-113,632.56

Finding the Fourth Proportional to 190,128.56, 262,359.68 and 113,632.56

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Solution

The fourth proportional to 190,128.56, 262,359.68 and 113,632.56 is: 156,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.56 : 262,359.68 = 113,632.56 : x
  2. Step 2: Convert to fraction form
    190,128.56/262,359.68 = 113,632.56/x
  3. Step 3: Cross multiply
    190,128.56x = 262,359.68 × 113,632.56
  4. Step 4: Simplify right side
    190,128.56x = 29,812,601,511.02
  5. Step 5: Solve for x
    x = 29,812,601,511.02/190,128.56
  6. Step 6: Final answer
    x = 156,802.34

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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.