Home / 107,834.60-161,751.90-105,530.60

Finding the Fourth Proportional to 107,834.60, 161,751.90 and 105,530.60

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Solution

The fourth proportional to 107,834.60, 161,751.90 and 105,530.60 is: 158,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,834.60 : 161,751.90 = 105,530.60 : x
  2. Step 2: Convert to fraction form
    107,834.60/161,751.90 = 105,530.60/x
  3. Step 3: Cross multiply
    107,834.60x = 161,751.90 × 105,530.60
  4. Step 4: Simplify right side
    107,834.60x = 17,069,775,058.14
  5. Step 5: Solve for x
    x = 17,069,775,058.14/107,834.60
  6. Step 6: Final answer
    x = 158,295.90

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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.