Home / 189,782.82-284,664.51-56,664.18

Finding the Fourth Proportional to 189,782.82, 284,664.51 and 56,664.18

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Solution

The fourth proportional to 189,782.82, 284,664.51 and 56,664.18 is: 84,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,782.82 : 284,664.51 = 56,664.18 : x
  2. Step 2: Convert to fraction form
    189,782.82/284,664.51 = 56,664.18/x
  3. Step 3: Cross multiply
    189,782.82x = 284,664.51 × 56,664.18
  4. Step 4: Simplify right side
    189,782.82x = 16,130,281,034.25
  5. Step 5: Solve for x
    x = 16,130,281,034.25/189,782.82
  6. Step 6: Final answer
    x = 84,993.37

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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.