Home / 189,478.39-284,217.60-56,360.56

Finding the Fourth Proportional to 189,478.39, 284,217.60 and 56,360.56

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Solution

The fourth proportional to 189,478.39, 284,217.60 and 56,360.56 is: 84,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,478.39 : 284,217.60 = 56,360.56 : x
  2. Step 2: Convert to fraction form
    189,478.39/284,217.60 = 56,360.56/x
  3. Step 3: Cross multiply
    189,478.39x = 284,217.60 × 56,360.56
  4. Step 4: Simplify right side
    189,478.39x = 16,018,663,097.86
  5. Step 5: Solve for x
    x = 16,018,663,097.86/189,478.39
  6. Step 6: Final answer
    x = 84,540.84

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1.5x scale

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.