Home / 459,536.20-689,304.54-144,017.68

Finding the Fourth Proportional to 459,536.20, 689,304.54 and 144,017.68

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Solution

The fourth proportional to 459,536.20, 689,304.54 and 144,017.68 is: 216,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,536.20 : 689,304.54 = 144,017.68 : x
  2. Step 2: Convert to fraction form
    459,536.20/689,304.54 = 144,017.68/x
  3. Step 3: Cross multiply
    459,536.20x = 689,304.54 × 144,017.68
  4. Step 4: Simplify right side
    459,536.20x = 99,272,040,664.27
  5. Step 5: Solve for x
    x = 99,272,040,664.27/459,536.20
  6. Step 6: Final answer
    x = 216,026.60

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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.