Home / 223,187.41-308,004.64-131,313.11

Finding the Fourth Proportional to 223,187.41, 308,004.64 and 131,313.11

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Solution

The fourth proportional to 223,187.41, 308,004.64 and 131,313.11 is: 181,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,187.41 : 308,004.64 = 131,313.11 : x
  2. Step 2: Convert to fraction form
    223,187.41/308,004.64 = 131,313.11/x
  3. Step 3: Cross multiply
    223,187.41x = 308,004.64 × 131,313.11
  4. Step 4: Simplify right side
    223,187.41x = 40,445,045,304.52
  5. Step 5: Solve for x
    x = 40,445,045,304.52/223,187.41
  6. Step 6: Final answer
    x = 181,215.62

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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.