Home / 134,769.10-201,764.85-120,772.30

Finding the Fourth Proportional to 134,769.10, 201,764.85 and 120,772.30

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Solution

The fourth proportional to 134,769.10, 201,764.85 and 120,772.30 is: 180,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.10 : 201,764.85 = 120,772.30 : x
  2. Step 2: Convert to fraction form
    134,769.10/201,764.85 = 120,772.30/x
  3. Step 3: Cross multiply
    134,769.10x = 201,764.85 × 120,772.30
  4. Step 4: Simplify right side
    134,769.10x = 24,367,604,993.66
  5. Step 5: Solve for x
    x = 24,367,604,993.66/134,769.10
  6. Step 6: Final answer
    x = 180,810.03

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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.