Home / 184,217.40-276,326.10-128,230.20

Finding the Fourth Proportional to 184,217.40, 276,326.10 and 128,230.20

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Solution

The fourth proportional to 184,217.40, 276,326.10 and 128,230.20 is: 192,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,217.40 : 276,326.10 = 128,230.20 : x
  2. Step 2: Convert to fraction form
    184,217.40/276,326.10 = 128,230.20/x
  3. Step 3: Cross multiply
    184,217.40x = 276,326.10 × 128,230.20
  4. Step 4: Simplify right side
    184,217.40x = 35,433,351,068.22
  5. Step 5: Solve for x
    x = 35,433,351,068.22/184,217.40
  6. Step 6: Final answer
    x = 192,345.30

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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.