Home / 189,812.06-284,777.31-56,697.57

Finding the Fourth Proportional to 189,812.06, 284,777.31 and 56,697.57

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Solution

The fourth proportional to 189,812.06, 284,777.31 and 56,697.57 is: 85,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,812.06 : 284,777.31 = 56,697.57 : x
  2. Step 2: Convert to fraction form
    189,812.06/284,777.31 = 56,697.57/x
  3. Step 3: Cross multiply
    189,812.06x = 284,777.31 × 56,697.57
  4. Step 4: Simplify right side
    189,812.06x = 16,146,180,044.25
  5. Step 5: Solve for x
    x = 16,146,180,044.25/189,812.06
  6. Step 6: Final answer
    x = 85,064.04

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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.