Home / 305,042.04-457,450.74-105,311.16

Finding the Fourth Proportional to 305,042.04, 457,450.74 and 105,311.16

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Solution

The fourth proportional to 305,042.04, 457,450.74 and 105,311.16 is: 157,927.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,042.04 : 457,450.74 = 105,311.16 : x
  2. Step 2: Convert to fraction form
    305,042.04/457,450.74 = 105,311.16/x
  3. Step 3: Cross multiply
    305,042.04x = 457,450.74 × 105,311.16
  4. Step 4: Simplify right side
    305,042.04x = 48,174,668,072.26
  5. Step 5: Solve for x
    x = 48,174,668,072.26/305,042.04
  6. Step 6: Final answer
    x = 157,927.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.