Home / 127,949.24-176,512.86-74,203.16

Finding the Fourth Proportional to 127,949.24, 176,512.86 and 74,203.16

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Solution

The fourth proportional to 127,949.24, 176,512.86 and 74,203.16 is: 102,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.24 : 176,512.86 = 74,203.16 : x
  2. Step 2: Convert to fraction form
    127,949.24/176,512.86 = 74,203.16/x
  3. Step 3: Cross multiply
    127,949.24x = 176,512.86 × 74,203.16
  4. Step 4: Simplify right side
    127,949.24x = 13,097,811,992.64
  5. Step 5: Solve for x
    x = 13,097,811,992.64/127,949.24
  6. Step 6: Final answer
    x = 102,367.25

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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.