Home / 107,537.10-161,538.93-103,600.50

Finding the Fourth Proportional to 107,537.10, 161,538.93 and 103,600.50

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Solution

The fourth proportional to 107,537.10, 161,538.93 and 103,600.50 is: 155,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,537.10 : 161,538.93 = 103,600.50 : x
  2. Step 2: Convert to fraction form
    107,537.10/161,538.93 = 103,600.50/x
  3. Step 3: Cross multiply
    107,537.10x = 161,538.93 × 103,600.50
  4. Step 4: Simplify right side
    107,537.10x = 16,735,513,917.47
  5. Step 5: Solve for x
    x = 16,735,513,917.47/107,537.10
  6. Step 6: Final answer
    x = 155,625.49

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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.