Home / 189,616.09-284,507.12-89,847.49

Finding the Fourth Proportional to 189,616.09, 284,507.12 and 89,847.49

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Solution

The fourth proportional to 189,616.09, 284,507.12 and 89,847.49 is: 134,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,616.09 : 284,507.12 = 89,847.49 : x
  2. Step 2: Convert to fraction form
    189,616.09/284,507.12 = 89,847.49/x
  3. Step 3: Cross multiply
    189,616.09x = 284,507.12 × 89,847.49
  4. Step 4: Simplify right side
    189,616.09x = 25,562,250,169.89
  5. Step 5: Solve for x
    x = 25,562,250,169.89/189,616.09
  6. Step 6: Final answer
    x = 134,810.55

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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.