Home / 285,028.77-393,334.52-157,704.38

Finding the Fourth Proportional to 285,028.77, 393,334.52 and 157,704.38

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Solution

The fourth proportional to 285,028.77, 393,334.52 and 157,704.38 is: 217,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,028.77 : 393,334.52 = 157,704.38 : x
  2. Step 2: Convert to fraction form
    285,028.77/393,334.52 = 157,704.38/x
  3. Step 3: Cross multiply
    285,028.77x = 393,334.52 × 157,704.38
  4. Step 4: Simplify right side
    285,028.77x = 62,030,573,854.00
  5. Step 5: Solve for x
    x = 62,030,573,854.00/285,028.77
  6. Step 6: Final answer
    x = 217,629.17

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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.