Home / 189,767.82-284,642.01-56,649.18

Finding the Fourth Proportional to 189,767.82, 284,642.01 and 56,649.18

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Solution

The fourth proportional to 189,767.82, 284,642.01 and 56,649.18 is: 84,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,767.82 : 284,642.01 = 56,649.18 : x
  2. Step 2: Convert to fraction form
    189,767.82/284,642.01 = 56,649.18/x
  3. Step 3: Cross multiply
    189,767.82x = 284,642.01 × 56,649.18
  4. Step 4: Simplify right side
    189,767.82x = 16,124,736,460.05
  5. Step 5: Solve for x
    x = 16,124,736,460.05/189,767.82
  6. Step 6: Final answer
    x = 84,970.87

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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.