Home / 236,309.12-326,093.62-134,320.40

Finding the Fourth Proportional to 236,309.12, 326,093.62 and 134,320.40

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Solution

The fourth proportional to 236,309.12, 326,093.62 and 134,320.40 is: 185,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,309.12 : 326,093.62 = 134,320.40 : x
  2. Step 2: Convert to fraction form
    236,309.12/326,093.62 = 134,320.40/x
  3. Step 3: Cross multiply
    236,309.12x = 326,093.62 × 134,320.40
  4. Step 4: Simplify right side
    236,309.12x = 43,801,025,475.85
  5. Step 5: Solve for x
    x = 43,801,025,475.85/236,309.12
  6. Step 6: Final answer
    x = 185,354.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.