Home / 145,586.28-200,906.66-81,924.04

Finding the Fourth Proportional to 145,586.28, 200,906.66 and 81,924.04

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Solution

The fourth proportional to 145,586.28, 200,906.66 and 81,924.04 is: 113,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,586.28 : 200,906.66 = 81,924.04 : x
  2. Step 2: Convert to fraction form
    145,586.28/200,906.66 = 81,924.04/x
  3. Step 3: Cross multiply
    145,586.28x = 200,906.66 × 81,924.04
  4. Step 4: Simplify right side
    145,586.28x = 16,459,085,250.11
  5. Step 5: Solve for x
    x = 16,459,085,250.11/145,586.28
  6. Step 6: Final answer
    x = 113,053.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.