Home / 171,960.80-257,941.20-115,973.60

Finding the Fourth Proportional to 171,960.80, 257,941.20 and 115,973.60

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Solution

The fourth proportional to 171,960.80, 257,941.20 and 115,973.60 is: 173,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,960.80 : 257,941.20 = 115,973.60 : x
  2. Step 2: Convert to fraction form
    171,960.80/257,941.20 = 115,973.60/x
  3. Step 3: Cross multiply
    171,960.80x = 257,941.20 × 115,973.60
  4. Step 4: Simplify right side
    171,960.80x = 29,914,369,552.32
  5. Step 5: Solve for x
    x = 29,914,369,552.32/171,960.80
  6. Step 6: Final answer
    x = 173,960.40

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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.