Home / 179,192.52-247,285.62-103,739.40

Finding the Fourth Proportional to 179,192.52, 247,285.62 and 103,739.40

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Solution

The fourth proportional to 179,192.52, 247,285.62 and 103,739.40 is: 143,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,192.52 : 247,285.62 = 103,739.40 : x
  2. Step 2: Convert to fraction form
    179,192.52/247,285.62 = 103,739.40/x
  3. Step 3: Cross multiply
    179,192.52x = 247,285.62 × 103,739.40
  4. Step 4: Simplify right side
    179,192.52x = 25,653,261,847.43
  5. Step 5: Solve for x
    x = 25,653,261,847.43/179,192.52
  6. Step 6: Final answer
    x = 143,160.34

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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.