Home / 186,621.18-257,530.71-101,736.54

Finding the Fourth Proportional to 186,621.18, 257,530.71 and 101,736.54

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Solution

The fourth proportional to 186,621.18, 257,530.71 and 101,736.54 is: 140,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,621.18 : 257,530.71 = 101,736.54 : x
  2. Step 2: Convert to fraction form
    186,621.18/257,530.71 = 101,736.54/x
  3. Step 3: Cross multiply
    186,621.18x = 257,530.71 × 101,736.54
  4. Step 4: Simplify right side
    186,621.18x = 26,200,283,379.14
  5. Step 5: Solve for x
    x = 26,200,283,379.14/186,621.18
  6. Step 6: Final answer
    x = 140,392.87

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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.