Home / 172,938.14-238,707.93-101,341.43

Finding the Fourth Proportional to 172,938.14, 238,707.93 and 101,341.43

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Solution

The fourth proportional to 172,938.14, 238,707.93 and 101,341.43 is: 139,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,938.14 : 238,707.93 = 101,341.43 : x
  2. Step 2: Convert to fraction form
    172,938.14/238,707.93 = 101,341.43/x
  3. Step 3: Cross multiply
    172,938.14x = 238,707.93 × 101,341.43
  4. Step 4: Simplify right side
    172,938.14x = 24,191,002,978.54
  5. Step 5: Solve for x
    x = 24,191,002,978.54/172,938.14
  6. Step 6: Final answer
    x = 139,882.41

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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.