Home / 344,172.90-516,259.35-107,515.83

Finding the Fourth Proportional to 344,172.90, 516,259.35 and 107,515.83

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Solution

The fourth proportional to 344,172.90, 516,259.35 and 107,515.83 is: 161,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,172.90 : 516,259.35 = 107,515.83 : x
  2. Step 2: Convert to fraction form
    344,172.90/516,259.35 = 107,515.83/x
  3. Step 3: Cross multiply
    344,172.90x = 516,259.35 × 107,515.83
  4. Step 4: Simplify right side
    344,172.90x = 55,506,052,510.51
  5. Step 5: Solve for x
    x = 55,506,052,510.51/344,172.90
  6. Step 6: Final answer
    x = 161,273.75

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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.