Home / 344,133.12-516,199.67-133,820.26

Finding the Fourth Proportional to 344,133.12, 516,199.67 and 133,820.26

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Solution

The fourth proportional to 344,133.12, 516,199.67 and 133,820.26 is: 200,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,133.12 : 516,199.67 = 133,820.26 : x
  2. Step 2: Convert to fraction form
    344,133.12/516,199.67 = 133,820.26/x
  3. Step 3: Cross multiply
    344,133.12x = 516,199.67 × 133,820.26
  4. Step 4: Simplify right side
    344,133.12x = 69,077,974,385.86
  5. Step 5: Solve for x
    x = 69,077,974,385.86/344,133.12
  6. Step 6: Final answer
    x = 200,730.39

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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.