Home / 186,723.72-257,474.52-126,189.36

Finding the Fourth Proportional to 186,723.72, 257,474.52 and 126,189.36

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Solution

The fourth proportional to 186,723.72, 257,474.52 and 126,189.36 is: 174,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,723.72 : 257,474.52 = 126,189.36 : x
  2. Step 2: Convert to fraction form
    186,723.72/257,474.52 = 126,189.36/x
  3. Step 3: Cross multiply
    186,723.72x = 257,474.52 × 126,189.36
  4. Step 4: Simplify right side
    186,723.72x = 32,490,544,895.11
  5. Step 5: Solve for x
    x = 32,490,544,895.11/186,723.72
  6. Step 6: Final answer
    x = 174,003.31

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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.