Home / 189,714.96-284,572.32-56,688.54

Finding the Fourth Proportional to 189,714.96, 284,572.32 and 56,688.54

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Solution

The fourth proportional to 189,714.96, 284,572.32 and 56,688.54 is: 85,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,714.96 : 284,572.32 = 56,688.54 : x
  2. Step 2: Convert to fraction form
    189,714.96/284,572.32 = 56,688.54/x
  3. Step 3: Cross multiply
    189,714.96x = 284,572.32 × 56,688.54
  4. Step 4: Simplify right side
    189,714.96x = 16,131,989,345.21
  5. Step 5: Solve for x
    x = 16,131,989,345.21/189,714.96
  6. Step 6: Final answer
    x = 85,032.77

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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.