Home / 151,179.13-208,627.24-83,196.11

Finding the Fourth Proportional to 151,179.13, 208,627.24 and 83,196.11

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Solution

The fourth proportional to 151,179.13, 208,627.24 and 83,196.11 is: 114,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,179.13 : 208,627.24 = 83,196.11 : x
  2. Step 2: Convert to fraction form
    151,179.13/208,627.24 = 83,196.11/x
  3. Step 3: Cross multiply
    151,179.13x = 208,627.24 × 83,196.11
  4. Step 4: Simplify right side
    151,179.13x = 17,356,974,808.04
  5. Step 5: Solve for x
    x = 17,356,974,808.04/151,179.13
  6. Step 6: Final answer
    x = 114,810.65

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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.