Home / 175,384.80-262,731.60-105,055.20

Finding the Fourth Proportional to 175,384.80, 262,731.60 and 105,055.20

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Solution

The fourth proportional to 175,384.80, 262,731.60 and 105,055.20 is: 157,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,384.80 : 262,731.60 = 105,055.20 : x
  2. Step 2: Convert to fraction form
    175,384.80/262,731.60 = 105,055.20/x
  3. Step 3: Cross multiply
    175,384.80x = 262,731.60 × 105,055.20
  4. Step 4: Simplify right side
    175,384.80x = 27,601,320,784.32
  5. Step 5: Solve for x
    x = 27,601,320,784.32/175,384.80
  6. Step 6: Final answer
    x = 157,375.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.