Home / 177,622.80-266,434.20-121,635.60

Finding the Fourth Proportional to 177,622.80, 266,434.20 and 121,635.60

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Solution

The fourth proportional to 177,622.80, 266,434.20 and 121,635.60 is: 182,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,622.80 : 266,434.20 = 121,635.60 : x
  2. Step 2: Convert to fraction form
    177,622.80/266,434.20 = 121,635.60/x
  3. Step 3: Cross multiply
    177,622.80x = 266,434.20 × 121,635.60
  4. Step 4: Simplify right side
    177,622.80x = 32,407,883,777.52
  5. Step 5: Solve for x
    x = 32,407,883,777.52/177,622.80
  6. Step 6: Final answer
    x = 182,453.40

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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.