Home / 189,685.52-284,528.30-56,659.24

Finding the Fourth Proportional to 189,685.52, 284,528.30 and 56,659.24

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Solution

The fourth proportional to 189,685.52, 284,528.30 and 56,659.24 is: 84,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,685.52 : 284,528.30 = 56,659.24 : x
  2. Step 2: Convert to fraction form
    189,685.52/284,528.30 = 56,659.24/x
  3. Step 3: Cross multiply
    189,685.52x = 284,528.30 × 56,659.24
  4. Step 4: Simplify right side
    189,685.52x = 16,121,157,236.49
  5. Step 5: Solve for x
    x = 16,121,157,236.49/189,685.52
  6. Step 6: Final answer
    x = 84,988.87

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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.