Home / 229,014.12-315,974.88-148,445.04

Finding the Fourth Proportional to 229,014.12, 315,974.88 and 148,445.04

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Solution

The fourth proportional to 229,014.12, 315,974.88 and 148,445.04 is: 204,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,014.12 : 315,974.88 = 148,445.04 : x
  2. Step 2: Convert to fraction form
    229,014.12/315,974.88 = 148,445.04/x
  3. Step 3: Cross multiply
    229,014.12x = 315,974.88 × 148,445.04
  4. Step 4: Simplify right side
    229,014.12x = 46,904,903,700.60
  5. Step 5: Solve for x
    x = 46,904,903,700.60/229,014.12
  6. Step 6: Final answer
    x = 204,812.28

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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.