Home / 136,811.22-205,248.44-43,316.97

Finding the Fourth Proportional to 136,811.22, 205,248.44 and 43,316.97

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Solution

The fourth proportional to 136,811.22, 205,248.44 and 43,316.97 is: 64,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,811.22 : 205,248.44 = 43,316.97 : x
  2. Step 2: Convert to fraction form
    136,811.22/205,248.44 = 43,316.97/x
  3. Step 3: Cross multiply
    136,811.22x = 205,248.44 × 43,316.97
  4. Step 4: Simplify right side
    136,811.22x = 8,890,740,518.03
  5. Step 5: Solve for x
    x = 8,890,740,518.03/136,811.22
  6. Step 6: Final answer
    x = 64,985.46

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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.