Home / 189,919.79-284,748.46-83,252.51

Finding the Fourth Proportional to 189,919.79, 284,748.46 and 83,252.51

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Solution

The fourth proportional to 189,919.79, 284,748.46 and 83,252.51 is: 124,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,919.79 : 284,748.46 = 83,252.51 : x
  2. Step 2: Convert to fraction form
    189,919.79/284,748.46 = 83,252.51/x
  3. Step 3: Cross multiply
    189,919.79x = 284,748.46 × 83,252.51
  4. Step 4: Simplify right side
    189,919.79x = 23,706,022,381.76
  5. Step 5: Solve for x
    x = 23,706,022,381.76/189,919.79
  6. Step 6: Final answer
    x = 124,821.24

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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.