Home / 189,780.82-284,661.48-56,662.18

Finding the Fourth Proportional to 189,780.82, 284,661.48 and 56,662.18

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Solution

The fourth proportional to 189,780.82, 284,661.48 and 56,662.18 is: 84,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,780.82 : 284,661.48 = 56,662.18 : x
  2. Step 2: Convert to fraction form
    189,780.82/284,661.48 = 56,662.18/x
  3. Step 3: Cross multiply
    189,780.82x = 284,661.48 × 56,662.18
  4. Step 4: Simplify right side
    189,780.82x = 16,129,540,018.83
  5. Step 5: Solve for x
    x = 16,129,540,018.83/189,780.82
  6. Step 6: Final answer
    x = 84,990.36

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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.