Home / 134,170.41-185,078.07-83,781.93

Finding the Fourth Proportional to 134,170.41, 185,078.07 and 83,781.93

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Solution

The fourth proportional to 134,170.41, 185,078.07 and 83,781.93 is: 115,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,170.41 : 185,078.07 = 83,781.93 : x
  2. Step 2: Convert to fraction form
    134,170.41/185,078.07 = 83,781.93/x
  3. Step 3: Cross multiply
    134,170.41x = 185,078.07 × 83,781.93
  4. Step 4: Simplify right side
    134,170.41x = 15,506,197,905.28
  5. Step 5: Solve for x
    x = 15,506,197,905.28/134,170.41
  6. Step 6: Final answer
    x = 115,570.92

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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.