Home / 240,548.04-331,961.70-155,812.56

Finding the Fourth Proportional to 240,548.04, 331,961.70 and 155,812.56

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Solution

The fourth proportional to 240,548.04, 331,961.70 and 155,812.56 is: 215,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,548.04 : 331,961.70 = 155,812.56 : x
  2. Step 2: Convert to fraction form
    240,548.04/331,961.70 = 155,812.56/x
  3. Step 3: Cross multiply
    240,548.04x = 331,961.70 × 155,812.56
  4. Step 4: Simplify right side
    240,548.04x = 51,723,802,298.95
  5. Step 5: Solve for x
    x = 51,723,802,298.95/240,548.04
  6. Step 6: Final answer
    x = 215,024.83

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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.