Home / 291,535.39-402,181.31-170,601.80

Finding the Fourth Proportional to 291,535.39, 402,181.31 and 170,601.80

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Solution

The fourth proportional to 291,535.39, 402,181.31 and 170,601.80 is: 235,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,535.39 : 402,181.31 = 170,601.80 : x
  2. Step 2: Convert to fraction form
    291,535.39/402,181.31 = 170,601.80/x
  3. Step 3: Cross multiply
    291,535.39x = 402,181.31 × 170,601.80
  4. Step 4: Simplify right side
    291,535.39x = 68,612,854,559.35
  5. Step 5: Solve for x
    x = 68,612,854,559.35/291,535.39
  6. Step 6: Final answer
    x = 235,350.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.