Home / 134,777.92-185,936.16-98,905.60

Finding the Fourth Proportional to 134,777.92, 185,936.16 and 98,905.60

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Solution

The fourth proportional to 134,777.92, 185,936.16 and 98,905.60 is: 136,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,777.92 : 185,936.16 = 98,905.60 : x
  2. Step 2: Convert to fraction form
    134,777.92/185,936.16 = 98,905.60/x
  3. Step 3: Cross multiply
    134,777.92x = 185,936.16 × 98,905.60
  4. Step 4: Simplify right side
    134,777.92x = 18,390,127,466.50
  5. Step 5: Solve for x
    x = 18,390,127,466.50/134,777.92
  6. Step 6: Final answer
    x = 136,447.63

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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.