Home / 153,317.09-229,892.16-53,450.43

Finding the Fourth Proportional to 153,317.09, 229,892.16 and 53,450.43

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Solution

The fourth proportional to 153,317.09, 229,892.16 and 53,450.43 is: 80,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.09 : 229,892.16 = 53,450.43 : x
  2. Step 2: Convert to fraction form
    153,317.09/229,892.16 = 53,450.43/x
  3. Step 3: Cross multiply
    153,317.09x = 229,892.16 × 53,450.43
  4. Step 4: Simplify right side
    153,317.09x = 12,287,834,805.63
  5. Step 5: Solve for x
    x = 12,287,834,805.63/153,317.09
  6. Step 6: Final answer
    x = 80,146.55

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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.