Home / 171,929.20-257,893.80-108,943.60

Finding the Fourth Proportional to 171,929.20, 257,893.80 and 108,943.60

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Solution

The fourth proportional to 171,929.20, 257,893.80 and 108,943.60 is: 163,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,929.20 : 257,893.80 = 108,943.60 : x
  2. Step 2: Convert to fraction form
    171,929.20/257,893.80 = 108,943.60/x
  3. Step 3: Cross multiply
    171,929.20x = 257,893.80 × 108,943.60
  4. Step 4: Simplify right side
    171,929.20x = 28,095,878,989.68
  5. Step 5: Solve for x
    x = 28,095,878,989.68/171,929.20
  6. Step 6: Final answer
    x = 163,415.40

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1.5x scale

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.