Home / 186,606.36-257,358.30-157,676.46

Finding the Fourth Proportional to 186,606.36, 257,358.30 and 157,676.46

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Solution

The fourth proportional to 186,606.36, 257,358.30 and 157,676.46 is: 217,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,606.36 : 257,358.30 = 157,676.46 : x
  2. Step 2: Convert to fraction form
    186,606.36/257,358.30 = 157,676.46/x
  3. Step 3: Cross multiply
    186,606.36x = 257,358.30 × 157,676.46
  4. Step 4: Simplify right side
    186,606.36x = 40,579,345,695.62
  5. Step 5: Solve for x
    x = 40,579,345,695.62/186,606.36
  6. Step 6: Final answer
    x = 217,459.61

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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.