Home / 459,736.92-689,612.76-144,196.56

Finding the Fourth Proportional to 459,736.92, 689,612.76 and 144,196.56

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Solution

The fourth proportional to 459,736.92, 689,612.76 and 144,196.56 is: 216,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,736.92 : 689,612.76 = 144,196.56 : x
  2. Step 2: Convert to fraction form
    459,736.92/689,612.76 = 144,196.56/x
  3. Step 3: Cross multiply
    459,736.92x = 689,612.76 × 144,196.56
  4. Step 4: Simplify right side
    459,736.92x = 99,439,787,724.11
  5. Step 5: Solve for x
    x = 99,439,787,724.11/459,736.92
  6. Step 6: Final answer
    x = 216,297.15

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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.