Home / 459,616.76-689,425.34-144,098.27

Finding the Fourth Proportional to 459,616.76, 689,425.34 and 144,098.27

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Solution

The fourth proportional to 459,616.76, 689,425.34 and 144,098.27 is: 216,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,616.76 : 689,425.34 = 144,098.27 : x
  2. Step 2: Convert to fraction form
    459,616.76/689,425.34 = 144,098.27/x
  3. Step 3: Cross multiply
    459,616.76x = 689,425.34 × 144,098.27
  4. Step 4: Simplify right side
    459,616.76x = 99,344,994,620.54
  5. Step 5: Solve for x
    x = 99,344,994,620.54/459,616.76
  6. Step 6: Final answer
    x = 216,147.46

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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.