Home / 136,739.93-205,100.17-36,905.81

Finding the Fourth Proportional to 136,739.93, 205,100.17 and 36,905.81

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Solution

The fourth proportional to 136,739.93, 205,100.17 and 36,905.81 is: 55,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,739.93 : 205,100.17 = 36,905.81 : x
  2. Step 2: Convert to fraction form
    136,739.93/205,100.17 = 36,905.81/x
  3. Step 3: Cross multiply
    136,739.93x = 205,100.17 × 36,905.81
  4. Step 4: Simplify right side
    136,739.93x = 7,569,386,787.22
  5. Step 5: Solve for x
    x = 7,569,386,787.22/136,739.93
  6. Step 6: Final answer
    x = 55,356.08

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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.