Home / 189,813.08-284,716.02-56,693.72

Finding the Fourth Proportional to 189,813.08, 284,716.02 and 56,693.72

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Solution

The fourth proportional to 189,813.08, 284,716.02 and 56,693.72 is: 85,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,813.08 : 284,716.02 = 56,693.72 : x
  2. Step 2: Convert to fraction form
    189,813.08/284,716.02 = 56,693.72/x
  3. Step 3: Cross multiply
    189,813.08x = 284,716.02 × 56,693.72
  4. Step 4: Simplify right side
    189,813.08x = 16,141,610,317.39
  5. Step 5: Solve for x
    x = 16,141,610,317.39/189,813.08
  6. Step 6: Final answer
    x = 85,039.50

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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.