Home / 450,126.72-675,190.08-117,699.84

Finding the Fourth Proportional to 450,126.72, 675,190.08 and 117,699.84

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Solution

The fourth proportional to 450,126.72, 675,190.08 and 117,699.84 is: 176,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,126.72 : 675,190.08 = 117,699.84 : x
  2. Step 2: Convert to fraction form
    450,126.72/675,190.08 = 117,699.84/x
  3. Step 3: Cross multiply
    450,126.72x = 675,190.08 × 117,699.84
  4. Step 4: Simplify right side
    450,126.72x = 79,469,764,385.59
  5. Step 5: Solve for x
    x = 79,469,764,385.59/450,126.72
  6. Step 6: Final answer
    x = 176,549.76

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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.