Home / 184,434.30-276,651.45-128,447.10

Finding the Fourth Proportional to 184,434.30, 276,651.45 and 128,447.10

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Solution

The fourth proportional to 184,434.30, 276,651.45 and 128,447.10 is: 192,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,434.30 : 276,651.45 = 128,447.10 : x
  2. Step 2: Convert to fraction form
    184,434.30/276,651.45 = 128,447.10/x
  3. Step 3: Cross multiply
    184,434.30x = 276,651.45 × 128,447.10
  4. Step 4: Simplify right side
    184,434.30x = 35,535,076,463.30
  5. Step 5: Solve for x
    x = 35,535,076,463.30/184,434.30
  6. Step 6: Final answer
    x = 192,670.65

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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.