Home / 328,816.60-492,933.30-160,242.64

Finding the Fourth Proportional to 328,816.60, 492,933.30 and 160,242.64

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Solution

The fourth proportional to 328,816.60, 492,933.30 and 160,242.64 is: 240,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,816.60 : 492,933.30 = 160,242.64 : x
  2. Step 2: Convert to fraction form
    328,816.60/492,933.30 = 160,242.64/x
  3. Step 3: Cross multiply
    328,816.60x = 492,933.30 × 160,242.64
  4. Step 4: Simplify right side
    328,816.60x = 78,988,931,502.67
  5. Step 5: Solve for x
    x = 78,988,931,502.67/328,816.60
  6. Step 6: Final answer
    x = 240,221.85

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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.