Home / 184,284.76-276,139.16-128,234.40

Finding the Fourth Proportional to 184,284.76, 276,139.16 and 128,234.40

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Solution

The fourth proportional to 184,284.76, 276,139.16 and 128,234.40 is: 192,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,284.76 : 276,139.16 = 128,234.40 : x
  2. Step 2: Convert to fraction form
    184,284.76/276,139.16 = 128,234.40/x
  3. Step 3: Cross multiply
    184,284.76x = 276,139.16 × 128,234.40
  4. Step 4: Simplify right side
    184,284.76x = 35,410,539,499.10
  5. Step 5: Solve for x
    x = 35,410,539,499.10/184,284.76
  6. Step 6: Final answer
    x = 192,151.21

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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.