Home / 186,575.36-257,634.96-159,981.44

Finding the Fourth Proportional to 186,575.36, 257,634.96 and 159,981.44

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Solution

The fourth proportional to 186,575.36, 257,634.96 and 159,981.44 is: 220,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,575.36 : 257,634.96 = 159,981.44 : x
  2. Step 2: Convert to fraction form
    186,575.36/257,634.96 = 159,981.44/x
  3. Step 3: Cross multiply
    186,575.36x = 257,634.96 × 159,981.44
  4. Step 4: Simplify right side
    186,575.36x = 41,216,811,895.14
  5. Step 5: Solve for x
    x = 41,216,811,895.14/186,575.36
  6. Step 6: Final answer
    x = 220,912.41

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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.