Home / 115,823.76-173,397.60-71,316.96

Finding the Fourth Proportional to 115,823.76, 173,397.60 and 71,316.96

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Solution

The fourth proportional to 115,823.76, 173,397.60 and 71,316.96 is: 106,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,823.76 : 173,397.60 = 71,316.96 : x
  2. Step 2: Convert to fraction form
    115,823.76/173,397.60 = 71,316.96/x
  3. Step 3: Cross multiply
    115,823.76x = 173,397.60 × 71,316.96
  4. Step 4: Simplify right side
    115,823.76x = 12,366,189,703.30
  5. Step 5: Solve for x
    x = 12,366,189,703.30/115,823.76
  6. Step 6: Final answer
    x = 106,767.30

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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.