Home / 199,395.22-275,155.68-118,820.96

Finding the Fourth Proportional to 199,395.22, 275,155.68 and 118,820.96

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Solution

The fourth proportional to 199,395.22, 275,155.68 and 118,820.96 is: 163,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,395.22 : 275,155.68 = 118,820.96 : x
  2. Step 2: Convert to fraction form
    199,395.22/275,155.68 = 118,820.96/x
  3. Step 3: Cross multiply
    199,395.22x = 275,155.68 × 118,820.96
  4. Step 4: Simplify right side
    199,395.22x = 32,694,262,047.05
  5. Step 5: Solve for x
    x = 32,694,262,047.05/199,395.22
  6. Step 6: Final answer
    x = 163,967.13

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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.