Home / 186,405.24-257,264.60-109,945.96

Finding the Fourth Proportional to 186,405.24, 257,264.60 and 109,945.96

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Solution

The fourth proportional to 186,405.24, 257,264.60 and 109,945.96 is: 151,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,405.24 : 257,264.60 = 109,945.96 : x
  2. Step 2: Convert to fraction form
    186,405.24/257,264.60 = 109,945.96/x
  3. Step 3: Cross multiply
    186,405.24x = 257,264.60 × 109,945.96
  4. Step 4: Simplify right side
    186,405.24x = 28,285,203,421.02
  5. Step 5: Solve for x
    x = 28,285,203,421.02/186,405.24
  6. Step 6: Final answer
    x = 151,740.39

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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.