Home / 184,446.80-276,670.20-128,459.60

Finding the Fourth Proportional to 184,446.80, 276,670.20 and 128,459.60

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Solution

The fourth proportional to 184,446.80, 276,670.20 and 128,459.60 is: 192,689.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,446.80 : 276,670.20 = 128,459.60 : x
  2. Step 2: Convert to fraction form
    184,446.80/276,670.20 = 128,459.60/x
  3. Step 3: Cross multiply
    184,446.80x = 276,670.20 × 128,459.60
  4. Step 4: Simplify right side
    184,446.80x = 35,540,943,223.92
  5. Step 5: Solve for x
    x = 35,540,943,223.92/184,446.80
  6. Step 6: Final answer
    x = 192,689.40

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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.