Home / 186,832.86-257,761.98-143,825.50

Finding the Fourth Proportional to 186,832.86, 257,761.98 and 143,825.50

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Solution

The fourth proportional to 186,832.86, 257,761.98 and 143,825.50 is: 198,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,832.86 : 257,761.98 = 143,825.50 : x
  2. Step 2: Convert to fraction form
    186,832.86/257,761.98 = 143,825.50/x
  3. Step 3: Cross multiply
    186,832.86x = 257,761.98 × 143,825.50
  4. Step 4: Simplify right side
    186,832.86x = 37,072,745,654.49
  5. Step 5: Solve for x
    x = 37,072,745,654.49/186,832.86
  6. Step 6: Final answer
    x = 198,427.33

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1.5x scale

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.