Home / 410,567.82-615,868.73-140,881.35

Finding the Fourth Proportional to 410,567.82, 615,868.73 and 140,881.35

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Solution

The fourth proportional to 410,567.82, 615,868.73 and 140,881.35 is: 211,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,567.82 : 615,868.73 = 140,881.35 : x
  2. Step 2: Convert to fraction form
    410,567.82/615,868.73 = 140,881.35/x
  3. Step 3: Cross multiply
    410,567.82x = 615,868.73 × 140,881.35
  4. Step 4: Simplify right side
    410,567.82x = 86,764,418,105.19
  5. Step 5: Solve for x
    x = 86,764,418,105.19/410,567.82
  6. Step 6: Final answer
    x = 211,327.86

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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.