Home / 223,895.63-308,975.97-123,293.63

Finding the Fourth Proportional to 223,895.63, 308,975.97 and 123,293.63

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Solution

The fourth proportional to 223,895.63, 308,975.97 and 123,293.63 is: 170,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,895.63 : 308,975.97 = 123,293.63 : x
  2. Step 2: Convert to fraction form
    223,895.63/308,975.97 = 123,293.63/x
  3. Step 3: Cross multiply
    223,895.63x = 308,975.97 × 123,293.63
  4. Step 4: Simplify right side
    223,895.63x = 38,094,768,924.07
  5. Step 5: Solve for x
    x = 38,094,768,924.07/223,895.63
  6. Step 6: Final answer
    x = 170,145.21

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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.