Home / 135,932.10-203,898.15-98,412.90

Finding the Fourth Proportional to 135,932.10, 203,898.15 and 98,412.90

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Solution

The fourth proportional to 135,932.10, 203,898.15 and 98,412.90 is: 147,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,932.10 : 203,898.15 = 98,412.90 : x
  2. Step 2: Convert to fraction form
    135,932.10/203,898.15 = 98,412.90/x
  3. Step 3: Cross multiply
    135,932.10x = 203,898.15 × 98,412.90
  4. Step 4: Simplify right side
    135,932.10x = 20,066,208,246.14
  5. Step 5: Solve for x
    x = 20,066,208,246.14/135,932.10
  6. Step 6: Final answer
    x = 147,619.35

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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.