Home / 223,263.20-308,097.86-127,763.80

Finding the Fourth Proportional to 223,263.20, 308,097.86 and 127,763.80

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Solution

The fourth proportional to 223,263.20, 308,097.86 and 127,763.80 is: 176,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,263.20 : 308,097.86 = 127,763.80 : x
  2. Step 2: Convert to fraction form
    223,263.20/308,097.86 = 127,763.80/x
  3. Step 3: Cross multiply
    223,263.20x = 308,097.86 × 127,763.80
  4. Step 4: Simplify right side
    223,263.20x = 39,363,753,365.47
  5. Step 5: Solve for x
    x = 39,363,753,365.47/223,263.20
  6. Step 6: Final answer
    x = 176,310.98

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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.