Home / 133,091.40-199,637.10-124,278.60

Finding the Fourth Proportional to 133,091.40, 199,637.10 and 124,278.60

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Solution

The fourth proportional to 133,091.40, 199,637.10 and 124,278.60 is: 186,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.40 : 199,637.10 = 124,278.60 : x
  2. Step 2: Convert to fraction form
    133,091.40/199,637.10 = 124,278.60/x
  3. Step 3: Cross multiply
    133,091.40x = 199,637.10 × 124,278.60
  4. Step 4: Simplify right side
    133,091.40x = 24,810,619,296.06
  5. Step 5: Solve for x
    x = 24,810,619,296.06/133,091.40
  6. Step 6: Final answer
    x = 186,417.90

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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.