Home / 160,188.46-240,381.51-81,359.26

Finding the Fourth Proportional to 160,188.46, 240,381.51 and 81,359.26

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Solution

The fourth proportional to 160,188.46, 240,381.51 and 81,359.26 is: 122,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,188.46 : 240,381.51 = 81,359.26 : x
  2. Step 2: Convert to fraction form
    160,188.46/240,381.51 = 81,359.26/x
  3. Step 3: Cross multiply
    160,188.46x = 240,381.51 × 81,359.26
  4. Step 4: Simplify right side
    160,188.46x = 19,557,261,771.28
  5. Step 5: Solve for x
    x = 19,557,261,771.28/160,188.46
  6. Step 6: Final answer
    x = 122,089.08

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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.