Home / 189,899.17-284,887.17-84,718.13

Finding the Fourth Proportional to 189,899.17, 284,887.17 and 84,718.13

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Solution

The fourth proportional to 189,899.17, 284,887.17 and 84,718.13 is: 127,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,899.17 : 284,887.17 = 84,718.13 : x
  2. Step 2: Convert to fraction form
    189,899.17/284,887.17 = 84,718.13/x
  3. Step 3: Cross multiply
    189,899.17x = 284,887.17 × 84,718.13
  4. Step 4: Simplify right side
    189,899.17x = 24,135,106,878.96
  5. Step 5: Solve for x
    x = 24,135,106,878.96/189,899.17
  6. Step 6: Final answer
    x = 127,094.33

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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.