Home / 243,315.04-364,879.68-116,920

Finding the Fourth Proportional to 243,315.04, 364,879.68 and 116,920

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Solution

The fourth proportional to 243,315.04, 364,879.68 and 116,920 is: 175,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,315.04 : 364,879.68 = 116,920 : x
  2. Step 2: Convert to fraction form
    243,315.04/364,879.68 = 116,920/x
  3. Step 3: Cross multiply
    243,315.04x = 364,879.68 × 116,920
  4. Step 4: Simplify right side
    243,315.04x = 42,661,732,185.60
  5. Step 5: Solve for x
    x = 42,661,732,185.60/243,315.04
  6. Step 6: Final answer
    x = 175,335.37

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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.