Home / 143,932.40-215,704.20-96,412.40

Finding the Fourth Proportional to 143,932.40, 215,704.20 and 96,412.40

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Solution

The fourth proportional to 143,932.40, 215,704.20 and 96,412.40 is: 144,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932.40 : 215,704.20 = 96,412.40 : x
  2. Step 2: Convert to fraction form
    143,932.40/215,704.20 = 96,412.40/x
  3. Step 3: Cross multiply
    143,932.40x = 215,704.20 × 96,412.40
  4. Step 4: Simplify right side
    143,932.40x = 20,796,559,612.08
  5. Step 5: Solve for x
    x = 20,796,559,612.08/143,932.40
  6. Step 6: Final answer
    x = 144,488.38

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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.