Home / 160,387.44-240,578.64-55,207.32

Finding the Fourth Proportional to 160,387.44, 240,578.64 and 55,207.32

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Solution

The fourth proportional to 160,387.44, 240,578.64 and 55,207.32 is: 82,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,387.44 : 240,578.64 = 55,207.32 : x
  2. Step 2: Convert to fraction form
    160,387.44/240,578.64 = 55,207.32/x
  3. Step 3: Cross multiply
    160,387.44x = 240,578.64 × 55,207.32
  4. Step 4: Simplify right side
    160,387.44x = 13,281,701,963.64
  5. Step 5: Solve for x
    x = 13,281,701,963.64/160,387.44
  6. Step 6: Final answer
    x = 82,810.11

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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.