Home / 171,914.80-257,872.20-153,835.60

Finding the Fourth Proportional to 171,914.80, 257,872.20 and 153,835.60

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Solution

The fourth proportional to 171,914.80, 257,872.20 and 153,835.60 is: 230,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,914.80 : 257,872.20 = 153,835.60 : x
  2. Step 2: Convert to fraction form
    171,914.80/257,872.20 = 153,835.60/x
  3. Step 3: Cross multiply
    171,914.80x = 257,872.20 × 153,835.60
  4. Step 4: Simplify right side
    171,914.80x = 39,669,924,610.32
  5. Step 5: Solve for x
    x = 39,669,924,610.32/171,914.80
  6. Step 6: Final answer
    x = 230,753.40

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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.