Home / 135,977.40-203,562.90-101,071.80

Finding the Fourth Proportional to 135,977.40, 203,562.90 and 101,071.80

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Solution

The fourth proportional to 135,977.40, 203,562.90 and 101,071.80 is: 151,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,977.40 : 203,562.90 = 101,071.80 : x
  2. Step 2: Convert to fraction form
    135,977.40/203,562.90 = 101,071.80/x
  3. Step 3: Cross multiply
    135,977.40x = 203,562.90 × 101,071.80
  4. Step 4: Simplify right side
    135,977.40x = 20,574,468,716.22
  5. Step 5: Solve for x
    x = 20,574,468,716.22/135,977.40
  6. Step 6: Final answer
    x = 151,308.00

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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.