Home / 199,406.48-275,174.15-118,792.22

Finding the Fourth Proportional to 199,406.48, 275,174.15 and 118,792.22

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Solution

The fourth proportional to 199,406.48, 275,174.15 and 118,792.22 is: 163,929.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,406.48 : 275,174.15 = 118,792.22 : x
  2. Step 2: Convert to fraction form
    199,406.48/275,174.15 = 118,792.22/x
  3. Step 3: Cross multiply
    199,406.48x = 275,174.15 × 118,792.22
  4. Step 4: Simplify right side
    199,406.48x = 32,688,546,195.28
  5. Step 5: Solve for x
    x = 32,688,546,195.28/199,406.48
  6. Step 6: Final answer
    x = 163,929.21

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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.