Home / 186,663.29-257,617.53-117,852.71

Finding the Fourth Proportional to 186,663.29, 257,617.53 and 117,852.71

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Solution

The fourth proportional to 186,663.29, 257,617.53 and 117,852.71 is: 162,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,663.29 : 257,617.53 = 117,852.71 : x
  2. Step 2: Convert to fraction form
    186,663.29/257,617.53 = 117,852.71/x
  3. Step 3: Cross multiply
    186,663.29x = 257,617.53 × 117,852.71
  4. Step 4: Simplify right side
    186,663.29x = 30,360,922,765.92
  5. Step 5: Solve for x
    x = 30,360,922,765.92/186,663.29
  6. Step 6: Final answer
    x = 162,650.75

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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.