Home / 153,043.19-229,433.30-53,190.41

Finding the Fourth Proportional to 153,043.19, 229,433.30 and 53,190.41

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Solution

The fourth proportional to 153,043.19, 229,433.30 and 53,190.41 is: 79,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,043.19 : 229,433.30 = 53,190.41 : x
  2. Step 2: Convert to fraction form
    153,043.19/229,433.30 = 53,190.41/x
  3. Step 3: Cross multiply
    153,043.19x = 229,433.30 × 53,190.41
  4. Step 4: Simplify right side
    153,043.19x = 12,203,651,294.65
  5. Step 5: Solve for x
    x = 12,203,651,294.65/153,043.19
  6. Step 6: Final answer
    x = 79,739.92

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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.