Home / 183,731.45-253,485.38-115,754.49

Finding the Fourth Proportional to 183,731.45, 253,485.38 and 115,754.49

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Solution

The fourth proportional to 183,731.45, 253,485.38 and 115,754.49 is: 159,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,731.45 : 253,485.38 = 115,754.49 : x
  2. Step 2: Convert to fraction form
    183,731.45/253,485.38 = 115,754.49/x
  3. Step 3: Cross multiply
    183,731.45x = 253,485.38 × 115,754.49
  4. Step 4: Simplify right side
    183,731.45x = 29,342,071,173.74
  5. Step 5: Solve for x
    x = 29,342,071,173.74/183,731.45
  6. Step 6: Final answer
    x = 159,700.87

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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.