Home / 344,035.20-516,077.16-91,313.64

Finding the Fourth Proportional to 344,035.20, 516,077.16 and 91,313.64

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Solution

The fourth proportional to 344,035.20, 516,077.16 and 91,313.64 is: 136,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,035.20 : 516,077.16 = 91,313.64 : x
  2. Step 2: Convert to fraction form
    344,035.20/516,077.16 = 91,313.64/x
  3. Step 3: Cross multiply
    344,035.20x = 516,077.16 × 91,313.64
  4. Step 4: Simplify right side
    344,035.20x = 47,124,884,000.46
  5. Step 5: Solve for x
    x = 47,124,884,000.46/344,035.20
  6. Step 6: Final answer
    x = 136,976.93

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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.