Home / 223,733.39-308,698.07-131,856.45

Finding the Fourth Proportional to 223,733.39, 308,698.07 and 131,856.45

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Solution

The fourth proportional to 223,733.39, 308,698.07 and 131,856.45 is: 181,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,733.39 : 308,698.07 = 131,856.45 : x
  2. Step 2: Convert to fraction form
    223,733.39/308,698.07 = 131,856.45/x
  3. Step 3: Cross multiply
    223,733.39x = 308,698.07 × 131,856.45
  4. Step 4: Simplify right side
    223,733.39x = 40,703,831,302.89
  5. Step 5: Solve for x
    x = 40,703,831,302.89/223,733.39
  6. Step 6: Final answer
    x = 181,930.07

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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.