Home / 208,537.74-312,825.06-58,779.36

Finding the Fourth Proportional to 208,537.74, 312,825.06 and 58,779.36

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Solution

The fourth proportional to 208,537.74, 312,825.06 and 58,779.36 is: 88,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,537.74 : 312,825.06 = 58,779.36 : x
  2. Step 2: Convert to fraction form
    208,537.74/312,825.06 = 58,779.36/x
  3. Step 3: Cross multiply
    208,537.74x = 312,825.06 × 58,779.36
  4. Step 4: Simplify right side
    208,537.74x = 18,387,656,818.76
  5. Step 5: Solve for x
    x = 18,387,656,818.76/208,537.74
  6. Step 6: Final answer
    x = 88,174.24

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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.