Home / 344,133.40-516,027.30-156,933.40

Finding the Fourth Proportional to 344,133.40, 516,027.30 and 156,933.40

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Solution

The fourth proportional to 344,133.40, 516,027.30 and 156,933.40 is: 235,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,133.40 : 516,027.30 = 156,933.40 : x
  2. Step 2: Convert to fraction form
    344,133.40/516,027.30 = 156,933.40/x
  3. Step 3: Cross multiply
    344,133.40x = 516,027.30 × 156,933.40
  4. Step 4: Simplify right side
    344,133.40x = 80,981,918,681.82
  5. Step 5: Solve for x
    x = 80,981,918,681.82/344,133.40
  6. Step 6: Final answer
    x = 235,321.30

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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.