Home / 199,403.04-275,169.48-118,788.82

Finding the Fourth Proportional to 199,403.04, 275,169.48 and 118,788.82

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Solution

The fourth proportional to 199,403.04, 275,169.48 and 118,788.82 is: 163,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,403.04 : 275,169.48 = 118,788.82 : x
  2. Step 2: Convert to fraction form
    199,403.04/275,169.48 = 118,788.82/x
  3. Step 3: Cross multiply
    199,403.04x = 275,169.48 × 118,788.82
  4. Step 4: Simplify right side
    199,403.04x = 32,687,057,829.21
  5. Step 5: Solve for x
    x = 32,687,057,829.21/199,403.04
  6. Step 6: Final answer
    x = 163,924.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.