Home / 102,143.48-153,214.73-26,241.96

Finding the Fourth Proportional to 102,143.48, 153,214.73 and 26,241.96

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Solution

The fourth proportional to 102,143.48, 153,214.73 and 26,241.96 is: 39,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,143.48 : 153,214.73 = 26,241.96 : x
  2. Step 2: Convert to fraction form
    102,143.48/153,214.73 = 26,241.96/x
  3. Step 3: Cross multiply
    102,143.48x = 153,214.73 × 26,241.96
  4. Step 4: Simplify right side
    102,143.48x = 4,020,654,684.86
  5. Step 5: Solve for x
    x = 4,020,654,684.86/102,143.48
  6. Step 6: Final answer
    x = 39,362.81

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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.