Home / 439,646.40-659,470.68-124,103.16

Finding the Fourth Proportional to 439,646.40, 659,470.68 and 124,103.16

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Solution

The fourth proportional to 439,646.40, 659,470.68 and 124,103.16 is: 186,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,646.40 : 659,470.68 = 124,103.16 : x
  2. Step 2: Convert to fraction form
    439,646.40/659,470.68 = 124,103.16/x
  3. Step 3: Cross multiply
    439,646.40x = 659,470.68 × 124,103.16
  4. Step 4: Simplify right side
    439,646.40x = 81,842,395,315.35
  5. Step 5: Solve for x
    x = 81,842,395,315.35/439,646.40
  6. Step 6: Final answer
    x = 186,155.04

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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.