Home / 223,256.25-308,097.27-127,815.57

Finding the Fourth Proportional to 223,256.25, 308,097.27 and 127,815.57

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Solution

The fourth proportional to 223,256.25, 308,097.27 and 127,815.57 is: 176,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,256.25 : 308,097.27 = 127,815.57 : x
  2. Step 2: Convert to fraction form
    223,256.25/308,097.27 = 127,815.57/x
  3. Step 3: Cross multiply
    223,256.25x = 308,097.27 × 127,815.57
  4. Step 4: Simplify right side
    223,256.25x = 39,379,628,180.49
  5. Step 5: Solve for x
    x = 39,379,628,180.49/223,256.25
  6. Step 6: Final answer
    x = 176,387.57

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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.