Home / 184,039.40-276,059.10-128,052.20

Finding the Fourth Proportional to 184,039.40, 276,059.10 and 128,052.20

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Solution

The fourth proportional to 184,039.40, 276,059.10 and 128,052.20 is: 192,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,039.40 : 276,059.10 = 128,052.20 : x
  2. Step 2: Convert to fraction form
    184,039.40/276,059.10 = 128,052.20/x
  3. Step 3: Cross multiply
    184,039.40x = 276,059.10 × 128,052.20
  4. Step 4: Simplify right side
    184,039.40x = 35,349,975,085.02
  5. Step 5: Solve for x
    x = 35,349,975,085.02/184,039.40
  6. Step 6: Final answer
    x = 192,078.30

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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.