Home / 459,826.70-689,769.20-144,296.06

Finding the Fourth Proportional to 459,826.70, 689,769.20 and 144,296.06

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Solution

The fourth proportional to 459,826.70, 689,769.20 and 144,296.06 is: 216,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,826.70 : 689,769.20 = 144,296.06 : x
  2. Step 2: Convert to fraction form
    459,826.70/689,769.20 = 144,296.06/x
  3. Step 3: Cross multiply
    459,826.70x = 689,769.20 × 144,296.06
  4. Step 4: Simplify right side
    459,826.70x = 99,530,974,781.25
  5. Step 5: Solve for x
    x = 99,530,974,781.25/459,826.70
  6. Step 6: Final answer
    x = 216,453.23

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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.