Home / 189,480.39-284,220.60-56,362.56

Finding the Fourth Proportional to 189,480.39, 284,220.60 and 56,362.56

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Solution

The fourth proportional to 189,480.39, 284,220.60 and 56,362.56 is: 84,543.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,480.39 : 284,220.60 = 56,362.56 : x
  2. Step 2: Convert to fraction form
    189,480.39/284,220.60 = 56,362.56/x
  3. Step 3: Cross multiply
    189,480.39x = 284,220.60 × 56,362.56
  4. Step 4: Simplify right side
    189,480.39x = 16,019,400,620.74
  5. Step 5: Solve for x
    x = 16,019,400,620.74/189,480.39
  6. Step 6: Final answer
    x = 84,543.84

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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.