Home / 140,791.13-194,261.51-83,448.39

Finding the Fourth Proportional to 140,791.13, 194,261.51 and 83,448.39

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Solution

The fourth proportional to 140,791.13, 194,261.51 and 83,448.39 is: 115,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,791.13 : 194,261.51 = 83,448.39 : x
  2. Step 2: Convert to fraction form
    140,791.13/194,261.51 = 83,448.39/x
  3. Step 3: Cross multiply
    140,791.13x = 194,261.51 × 83,448.39
  4. Step 4: Simplify right side
    140,791.13x = 16,210,810,248.47
  5. Step 5: Solve for x
    x = 16,210,810,248.47/140,791.13
  6. Step 6: Final answer
    x = 115,140.85

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1.5x scale

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.