Home / 149,555.10-224,004.60-129,872.10

Finding the Fourth Proportional to 149,555.10, 224,004.60 and 129,872.10

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Solution

The fourth proportional to 149,555.10, 224,004.60 and 129,872.10 is: 194,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,555.10 : 224,004.60 = 129,872.10 : x
  2. Step 2: Convert to fraction form
    149,555.10/224,004.60 = 129,872.10/x
  3. Step 3: Cross multiply
    149,555.10x = 224,004.60 × 129,872.10
  4. Step 4: Simplify right side
    149,555.10x = 29,091,947,811.66
  5. Step 5: Solve for x
    x = 29,091,947,811.66/149,555.10
  6. Step 6: Final answer
    x = 194,523.27

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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.