Home / 134,208.78-185,210.40-73,781.94

Finding the Fourth Proportional to 134,208.78, 185,210.40 and 73,781.94

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Solution

The fourth proportional to 134,208.78, 185,210.40 and 73,781.94 is: 101,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,208.78 : 185,210.40 = 73,781.94 : x
  2. Step 2: Convert to fraction form
    134,208.78/185,210.40 = 73,781.94/x
  3. Step 3: Cross multiply
    134,208.78x = 185,210.40 × 73,781.94
  4. Step 4: Simplify right side
    134,208.78x = 13,665,182,620.18
  5. Step 5: Solve for x
    x = 13,665,182,620.18/134,208.78
  6. Step 6: Final answer
    x = 101,820.33

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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.