Home / 136,824.49-188,784.12-83,106.30

Finding the Fourth Proportional to 136,824.49, 188,784.12 and 83,106.30

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Solution

The fourth proportional to 136,824.49, 188,784.12 and 83,106.30 is: 114,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,824.49 : 188,784.12 = 83,106.30 : x
  2. Step 2: Convert to fraction form
    136,824.49/188,784.12 = 83,106.30/x
  3. Step 3: Cross multiply
    136,824.49x = 188,784.12 × 83,106.30
  4. Step 4: Simplify right side
    136,824.49x = 15,689,150,264.07
  5. Step 5: Solve for x
    x = 15,689,150,264.07/136,824.49
  6. Step 6: Final answer
    x = 114,666.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.