Home / 153,078.37-229,722.04-53,237.57

Finding the Fourth Proportional to 153,078.37, 229,722.04 and 53,237.57

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Solution

The fourth proportional to 153,078.37, 229,722.04 and 53,237.57 is: 79,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,078.37 : 229,722.04 = 53,237.57 : x
  2. Step 2: Convert to fraction form
    153,078.37/229,722.04 = 53,237.57/x
  3. Step 3: Cross multiply
    153,078.37x = 229,722.04 × 53,237.57
  4. Step 4: Simplify right side
    153,078.37x = 12,229,842,102.98
  5. Step 5: Solve for x
    x = 12,229,842,102.98/153,078.37
  6. Step 6: Final answer
    x = 79,892.69

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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.