Home / 190,333.67-262,541.39-122,439.06

Finding the Fourth Proportional to 190,333.67, 262,541.39 and 122,439.06

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Solution

The fourth proportional to 190,333.67, 262,541.39 and 122,439.06 is: 168,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,333.67 : 262,541.39 = 122,439.06 : x
  2. Step 2: Convert to fraction form
    190,333.67/262,541.39 = 122,439.06/x
  3. Step 3: Cross multiply
    190,333.67x = 262,541.39 × 122,439.06
  4. Step 4: Simplify right side
    190,333.67x = 32,145,320,390.50
  5. Step 5: Solve for x
    x = 32,145,320,390.50/190,333.67
  6. Step 6: Final answer
    x = 168,889.30

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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.