Home / 177,405.20-266,107.80-163,991.60

Finding the Fourth Proportional to 177,405.20, 266,107.80 and 163,991.60

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Solution

The fourth proportional to 177,405.20, 266,107.80 and 163,991.60 is: 245,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,405.20 : 266,107.80 = 163,991.60 : x
  2. Step 2: Convert to fraction form
    177,405.20/266,107.80 = 163,991.60/x
  3. Step 3: Cross multiply
    177,405.20x = 266,107.80 × 163,991.60
  4. Step 4: Simplify right side
    177,405.20x = 43,639,443,894.48
  5. Step 5: Solve for x
    x = 43,639,443,894.48/177,405.20
  6. Step 6: Final answer
    x = 245,987.40

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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.