Home / 177,216.39-244,762.83-129,033.78

Finding the Fourth Proportional to 177,216.39, 244,762.83 and 129,033.78

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Solution

The fourth proportional to 177,216.39, 244,762.83 and 129,033.78 is: 178,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,216.39 : 244,762.83 = 129,033.78 : x
  2. Step 2: Convert to fraction form
    177,216.39/244,762.83 = 129,033.78/x
  3. Step 3: Cross multiply
    177,216.39x = 244,762.83 × 129,033.78
  4. Step 4: Simplify right side
    177,216.39x = 31,582,673,158.40
  5. Step 5: Solve for x
    x = 31,582,673,158.40/177,216.39
  6. Step 6: Final answer
    x = 178,215.31

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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.