Home / 459,661.04-689,489.26-118,104.15

Finding the Fourth Proportional to 459,661.04, 689,489.26 and 118,104.15

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Solution

The fourth proportional to 459,661.04, 689,489.26 and 118,104.15 is: 177,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,661.04 : 689,489.26 = 118,104.15 : x
  2. Step 2: Convert to fraction form
    459,661.04/689,489.26 = 118,104.15/x
  3. Step 3: Cross multiply
    459,661.04x = 689,489.26 × 118,104.15
  4. Step 4: Simplify right side
    459,661.04x = 81,431,542,395.91
  5. Step 5: Solve for x
    x = 81,431,542,395.91/459,661.04
  6. Step 6: Final answer
    x = 177,155.63

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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.