Home / 131,765.93-181,835.72-71,335.03

Finding the Fourth Proportional to 131,765.93, 181,835.72 and 71,335.03

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Solution

The fourth proportional to 131,765.93, 181,835.72 and 71,335.03 is: 98,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,765.93 : 181,835.72 = 71,335.03 : x
  2. Step 2: Convert to fraction form
    131,765.93/181,835.72 = 71,335.03/x
  3. Step 3: Cross multiply
    131,765.93x = 181,835.72 × 71,335.03
  4. Step 4: Simplify right side
    131,765.93x = 12,971,255,632.09
  5. Step 5: Solve for x
    x = 12,971,255,632.09/131,765.93
  6. Step 6: Final answer
    x = 98,441.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.