Home / 153,271.30-229,908.23-53,431.31

Finding the Fourth Proportional to 153,271.30, 229,908.23 and 53,431.31

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Solution

The fourth proportional to 153,271.30, 229,908.23 and 53,431.31 is: 80,147.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,271.30 : 229,908.23 = 53,431.31 : x
  2. Step 2: Convert to fraction form
    153,271.30/229,908.23 = 53,431.31/x
  3. Step 3: Cross multiply
    153,271.30x = 229,908.23 × 53,431.31
  4. Step 4: Simplify right side
    153,271.30x = 12,284,296,892.72
  5. Step 5: Solve for x
    x = 12,284,296,892.72/153,271.30
  6. Step 6: Final answer
    x = 80,147.41

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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.