Home / 133,270.82-183,895.98-85,588.76

Finding the Fourth Proportional to 133,270.82, 183,895.98 and 85,588.76

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Solution

The fourth proportional to 133,270.82, 183,895.98 and 85,588.76 is: 118,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,270.82 : 183,895.98 = 85,588.76 : x
  2. Step 2: Convert to fraction form
    133,270.82/183,895.98 = 85,588.76/x
  3. Step 3: Cross multiply
    133,270.82x = 183,895.98 × 85,588.76
  4. Step 4: Simplify right side
    133,270.82x = 15,739,428,897.18
  5. Step 5: Solve for x
    x = 15,739,428,897.18/133,270.82
  6. Step 6: Final answer
    x = 118,101.09

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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.