Home / 153,078.24-229,721.85-53,237.44

Finding the Fourth Proportional to 153,078.24, 229,721.85 and 53,237.44

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Solution

The fourth proportional to 153,078.24, 229,721.85 and 53,237.44 is: 79,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,078.24 : 229,721.85 = 53,237.44 : x
  2. Step 2: Convert to fraction form
    153,078.24/229,721.85 = 53,237.44/x
  3. Step 3: Cross multiply
    153,078.24x = 229,721.85 × 53,237.44
  4. Step 4: Simplify right side
    153,078.24x = 12,229,803,206.06
  5. Step 5: Solve for x
    x = 12,229,803,206.06/153,078.24
  6. Step 6: Final answer
    x = 79,892.50

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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.