Home / 511,439.10-767,157.57-137,462.10

Finding the Fourth Proportional to 511,439.10, 767,157.57 and 137,462.10

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Solution

The fourth proportional to 511,439.10, 767,157.57 and 137,462.10 is: 206,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,439.10 : 767,157.57 = 137,462.10 : x
  2. Step 2: Convert to fraction form
    511,439.10/767,157.57 = 137,462.10/x
  3. Step 3: Cross multiply
    511,439.10x = 767,157.57 × 137,462.10
  4. Step 4: Simplify right side
    511,439.10x = 105,455,090,603.10
  5. Step 5: Solve for x
    x = 105,455,090,603.10/511,439.10
  6. Step 6: Final answer
    x = 206,192.86

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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.