Home / 186,610.36-257,363.82-157,680.46

Finding the Fourth Proportional to 186,610.36, 257,363.82 and 157,680.46

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Solution

The fourth proportional to 186,610.36, 257,363.82 and 157,680.46 is: 217,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,610.36 : 257,363.82 = 157,680.46 : x
  2. Step 2: Convert to fraction form
    186,610.36/257,363.82 = 157,680.46/x
  3. Step 3: Cross multiply
    186,610.36x = 257,363.82 × 157,680.46
  4. Step 4: Simplify right side
    186,610.36x = 40,581,245,524.96
  5. Step 5: Solve for x
    x = 40,581,245,524.96/186,610.36
  6. Step 6: Final answer
    x = 217,465.13

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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.