Home / 125,220.48-172,749.96-82,838.04

Finding the Fourth Proportional to 125,220.48, 172,749.96 and 82,838.04

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Solution

The fourth proportional to 125,220.48, 172,749.96 and 82,838.04 is: 114,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,220.48 : 172,749.96 = 82,838.04 : x
  2. Step 2: Convert to fraction form
    125,220.48/172,749.96 = 82,838.04/x
  3. Step 3: Cross multiply
    125,220.48x = 172,749.96 × 82,838.04
  4. Step 4: Simplify right side
    125,220.48x = 14,310,268,096.48
  5. Step 5: Solve for x
    x = 14,310,268,096.48/125,220.48
  6. Step 6: Final answer
    x = 114,280.57

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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.