Home / 176,021.20-263,263.80-157,435.60

Finding the Fourth Proportional to 176,021.20, 263,263.80 and 157,435.60

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Solution

The fourth proportional to 176,021.20, 263,263.80 and 157,435.60 is: 235,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,021.20 : 263,263.80 = 157,435.60 : x
  2. Step 2: Convert to fraction form
    176,021.20/263,263.80 = 157,435.60/x
  3. Step 3: Cross multiply
    176,021.20x = 263,263.80 × 157,435.60
  4. Step 4: Simplify right side
    176,021.20x = 41,447,094,311.28
  5. Step 5: Solve for x
    x = 41,447,094,311.28/176,021.20
  6. Step 6: Final answer
    x = 235,466.49

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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.