Home / 240,315.96-331,525.62-155,460.36

Finding the Fourth Proportional to 240,315.96, 331,525.62 and 155,460.36

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Solution

The fourth proportional to 240,315.96, 331,525.62 and 155,460.36 is: 214,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,315.96 : 331,525.62 = 155,460.36 : x
  2. Step 2: Convert to fraction form
    240,315.96/331,525.62 = 155,460.36/x
  3. Step 3: Cross multiply
    240,315.96x = 331,525.62 × 155,460.36
  4. Step 4: Simplify right side
    240,315.96x = 51,539,092,234.42
  5. Step 5: Solve for x
    x = 51,539,092,234.42/240,315.96
  6. Step 6: Final answer
    x = 214,463.88

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1.5x scale

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.