Home / 149,583.36-206,417.28-92,993.76

Finding the Fourth Proportional to 149,583.36, 206,417.28 and 92,993.76

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Solution

The fourth proportional to 149,583.36, 206,417.28 and 92,993.76 is: 128,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,583.36 : 206,417.28 = 92,993.76 : x
  2. Step 2: Convert to fraction form
    149,583.36/206,417.28 = 92,993.76/x
  3. Step 3: Cross multiply
    149,583.36x = 206,417.28 × 92,993.76
  4. Step 4: Simplify right side
    149,583.36x = 19,195,518,996.17
  5. Step 5: Solve for x
    x = 19,195,518,996.17/149,583.36
  6. Step 6: Final answer
    x = 128,326.57

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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.