Home / 127,736.78-176,143.14-95,420.74

Finding the Fourth Proportional to 127,736.78, 176,143.14 and 95,420.74

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Solution

The fourth proportional to 127,736.78, 176,143.14 and 95,420.74 is: 131,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,736.78 : 176,143.14 = 95,420.74 : x
  2. Step 2: Convert to fraction form
    127,736.78/176,143.14 = 95,420.74/x
  3. Step 3: Cross multiply
    127,736.78x = 176,143.14 × 95,420.74
  4. Step 4: Simplify right side
    127,736.78x = 16,807,708,764.72
  5. Step 5: Solve for x
    x = 16,807,708,764.72/127,736.78
  6. Step 6: Final answer
    x = 131,580.81

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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.