Home / 140,587.22-210,881.64-57,481.22

Finding the Fourth Proportional to 140,587.22, 210,881.64 and 57,481.22

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Solution

The fourth proportional to 140,587.22, 210,881.64 and 57,481.22 is: 86,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,587.22 : 210,881.64 = 57,481.22 : x
  2. Step 2: Convert to fraction form
    140,587.22/210,881.64 = 57,481.22/x
  3. Step 3: Cross multiply
    140,587.22x = 210,881.64 × 57,481.22
  4. Step 4: Simplify right side
    140,587.22x = 12,121,733,942.80
  5. Step 5: Solve for x
    x = 12,121,733,942.80/140,587.22
  6. Step 6: Final answer
    x = 86,222.16

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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.