Home / 223,795.35-308,841.50-121,823.73

Finding the Fourth Proportional to 223,795.35, 308,841.50 and 121,823.73

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Solution

The fourth proportional to 223,795.35, 308,841.50 and 121,823.73 is: 168,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,795.35 : 308,841.50 = 121,823.73 : x
  2. Step 2: Convert to fraction form
    223,795.35/308,841.50 = 121,823.73/x
  3. Step 3: Cross multiply
    223,795.35x = 308,841.50 × 121,823.73
  4. Step 4: Simplify right side
    223,795.35x = 37,624,223,813.35
  5. Step 5: Solve for x
    x = 37,624,223,813.35/223,795.35
  6. Step 6: Final answer
    x = 168,118.88

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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.