Home / 182,138.40-273,207.60-128,994.30

Finding the Fourth Proportional to 182,138.40, 273,207.60 and 128,994.30

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Solution

The fourth proportional to 182,138.40, 273,207.60 and 128,994.30 is: 193,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,138.40 : 273,207.60 = 128,994.30 : x
  2. Step 2: Convert to fraction form
    182,138.40/273,207.60 = 128,994.30/x
  3. Step 3: Cross multiply
    182,138.40x = 273,207.60 × 128,994.30
  4. Step 4: Simplify right side
    182,138.40x = 35,242,223,116.68
  5. Step 5: Solve for x
    x = 35,242,223,116.68/182,138.40
  6. Step 6: Final answer
    x = 193,491.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.