Home / 209,932.32-289,713.60-125,037.84

Finding the Fourth Proportional to 209,932.32, 289,713.60 and 125,037.84

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Solution

The fourth proportional to 209,932.32, 289,713.60 and 125,037.84 is: 172,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932.32 : 289,713.60 = 125,037.84 : x
  2. Step 2: Convert to fraction form
    209,932.32/289,713.60 = 125,037.84/x
  3. Step 3: Cross multiply
    209,932.32x = 289,713.60 × 125,037.84
  4. Step 4: Simplify right side
    209,932.32x = 36,225,162,762.62
  5. Step 5: Solve for x
    x = 36,225,162,762.62/209,932.32
  6. Step 6: Final answer
    x = 172,556.39

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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.