Home / 127,738.10-176,278.62-74,054.24

Finding the Fourth Proportional to 127,738.10, 176,278.62 and 74,054.24

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Solution

The fourth proportional to 127,738.10, 176,278.62 and 74,054.24 is: 102,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,738.10 : 176,278.62 = 74,054.24 : x
  2. Step 2: Convert to fraction form
    127,738.10/176,278.62 = 74,054.24/x
  3. Step 3: Cross multiply
    127,738.10x = 176,278.62 × 74,054.24
  4. Step 4: Simplify right side
    127,738.10x = 13,054,179,232.35
  5. Step 5: Solve for x
    x = 13,054,179,232.35/127,738.10
  6. Step 6: Final answer
    x = 102,194.88

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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.