Home / 189,836.28-284,832.99-83,165.06

Finding the Fourth Proportional to 189,836.28, 284,832.99 and 83,165.06

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Solution

The fourth proportional to 189,836.28, 284,832.99 and 83,165.06 is: 124,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,836.28 : 284,832.99 = 83,165.06 : x
  2. Step 2: Convert to fraction form
    189,836.28/284,832.99 = 83,165.06/x
  3. Step 3: Cross multiply
    189,836.28x = 284,832.99 × 83,165.06
  4. Step 4: Simplify right side
    189,836.28x = 23,688,153,415.41
  5. Step 5: Solve for x
    x = 23,688,153,415.41/189,836.28
  6. Step 6: Final answer
    x = 124,782.01

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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.