Home / 135,724.16-203,587.32-55,741.52

Finding the Fourth Proportional to 135,724.16, 203,587.32 and 55,741.52

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Solution

The fourth proportional to 135,724.16, 203,587.32 and 55,741.52 is: 83,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,724.16 : 203,587.32 = 55,741.52 : x
  2. Step 2: Convert to fraction form
    135,724.16/203,587.32 = 55,741.52/x
  3. Step 3: Cross multiply
    135,724.16x = 203,587.32 × 55,741.52
  4. Step 4: Simplify right side
    135,724.16x = 11,348,266,669.53
  5. Step 5: Solve for x
    x = 11,348,266,669.53/135,724.16
  6. Step 6: Final answer
    x = 83,612.72

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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.