Home / 127,816.56-176,383.32-71,226.48

Finding the Fourth Proportional to 127,816.56, 176,383.32 and 71,226.48

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Solution

The fourth proportional to 127,816.56, 176,383.32 and 71,226.48 is: 98,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.56 : 176,383.32 = 71,226.48 : x
  2. Step 2: Convert to fraction form
    127,816.56/176,383.32 = 71,226.48/x
  3. Step 3: Cross multiply
    127,816.56x = 176,383.32 × 71,226.48
  4. Step 4: Simplify right side
    127,816.56x = 12,563,163,014.31
  5. Step 5: Solve for x
    x = 12,563,163,014.31/127,816.56
  6. Step 6: Final answer
    x = 98,290.57

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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.