Home / 186,656.28-257,607.86-117,845.72

Finding the Fourth Proportional to 186,656.28, 257,607.86 and 117,845.72

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Solution

The fourth proportional to 186,656.28, 257,607.86 and 117,845.72 is: 162,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656.28 : 257,607.86 = 117,845.72 : x
  2. Step 2: Convert to fraction form
    186,656.28/257,607.86 = 117,845.72/x
  3. Step 3: Cross multiply
    186,656.28x = 257,607.86 × 117,845.72
  4. Step 4: Simplify right side
    186,656.28x = 30,357,983,739.36
  5. Step 5: Solve for x
    x = 30,357,983,739.36/186,656.28
  6. Step 6: Final answer
    x = 162,641.11

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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.