Home / 459,825.95-689,768.09-144,295.31

Finding the Fourth Proportional to 459,825.95, 689,768.09 and 144,295.31

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Solution

The fourth proportional to 459,825.95, 689,768.09 and 144,295.31 is: 216,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,825.95 : 689,768.09 = 144,295.31 : x
  2. Step 2: Convert to fraction form
    459,825.95/689,768.09 = 144,295.31/x
  3. Step 3: Cross multiply
    459,825.95x = 689,768.09 × 144,295.31
  4. Step 4: Simplify right side
    459,825.95x = 99,530,296,204.34
  5. Step 5: Solve for x
    x = 99,530,296,204.34/459,825.95
  6. Step 6: Final answer
    x = 216,452.11

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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.