Home / 291,637.20-437,628.60-192,082.80

Finding the Fourth Proportional to 291,637.20, 437,628.60 and 192,082.80

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Solution

The fourth proportional to 291,637.20, 437,628.60 and 192,082.80 is: 288,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,637.20 : 437,628.60 = 192,082.80 : x
  2. Step 2: Convert to fraction form
    291,637.20/437,628.60 = 192,082.80/x
  3. Step 3: Cross multiply
    291,637.20x = 437,628.60 × 192,082.80
  4. Step 4: Simplify right side
    291,637.20x = 84,060,926,848.08
  5. Step 5: Solve for x
    x = 84,060,926,848.08/291,637.20
  6. Step 6: Final answer
    x = 288,238.01

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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.