Home / 184,533.30-276,143.85-128,108.70

Finding the Fourth Proportional to 184,533.30, 276,143.85 and 128,108.70

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Solution

The fourth proportional to 184,533.30, 276,143.85 and 128,108.70 is: 191,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,533.30 : 276,143.85 = 128,108.70 : x
  2. Step 2: Convert to fraction form
    184,533.30/276,143.85 = 128,108.70/x
  3. Step 3: Cross multiply
    184,533.30x = 276,143.85 × 128,108.70
  4. Step 4: Simplify right side
    184,533.30x = 35,376,429,636.50
  5. Step 5: Solve for x
    x = 35,376,429,636.50/184,533.30
  6. Step 6: Final answer
    x = 191,707.57

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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.