Home / 223,899.88-308,977.39-121,926.55

Finding the Fourth Proportional to 223,899.88, 308,977.39 and 121,926.55

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Solution

The fourth proportional to 223,899.88, 308,977.39 and 121,926.55 is: 168,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,899.88 : 308,977.39 = 121,926.55 : x
  2. Step 2: Convert to fraction form
    223,899.88/308,977.39 = 121,926.55/x
  3. Step 3: Cross multiply
    223,899.88x = 308,977.39 × 121,926.55
  4. Step 4: Simplify right side
    223,899.88x = 37,672,547,190.70
  5. Step 5: Solve for x
    x = 37,672,547,190.70/223,899.88
  6. Step 6: Final answer
    x = 168,256.22

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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.