Home / 205,096.59-307,644.75-105,201.18

Finding the Fourth Proportional to 205,096.59, 307,644.75 and 105,201.18

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Solution

The fourth proportional to 205,096.59, 307,644.75 and 105,201.18 is: 157,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,096.59 : 307,644.75 = 105,201.18 : x
  2. Step 2: Convert to fraction form
    205,096.59/307,644.75 = 105,201.18/x
  3. Step 3: Cross multiply
    205,096.59x = 307,644.75 × 105,201.18
  4. Step 4: Simplify right side
    205,096.59x = 32,364,590,720.81
  5. Step 5: Solve for x
    x = 32,364,590,720.81/205,096.59
  6. Step 6: Final answer
    x = 157,801.70

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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.