Home / 189,557.39-284,195.63-89,600.78

Finding the Fourth Proportional to 189,557.39, 284,195.63 and 89,600.78

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Solution

The fourth proportional to 189,557.39, 284,195.63 and 89,600.78 is: 134,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,557.39 : 284,195.63 = 89,600.78 : x
  2. Step 2: Convert to fraction form
    189,557.39/284,195.63 = 89,600.78/x
  3. Step 3: Cross multiply
    189,557.39x = 284,195.63 × 89,600.78
  4. Step 4: Simplify right side
    189,557.39x = 25,464,151,055.08
  5. Step 5: Solve for x
    x = 25,464,151,055.08/189,557.39
  6. Step 6: Final answer
    x = 134,334.79

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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.