Home / 149,225.82-205,868.79-98,837.34

Finding the Fourth Proportional to 149,225.82, 205,868.79 and 98,837.34

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Solution

The fourth proportional to 149,225.82, 205,868.79 and 98,837.34 is: 136,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,225.82 : 205,868.79 = 98,837.34 : x
  2. Step 2: Convert to fraction form
    149,225.82/205,868.79 = 98,837.34/x
  3. Step 3: Cross multiply
    149,225.82x = 205,868.79 × 98,837.34
  4. Step 4: Simplify right side
    149,225.82x = 20,347,523,592.62
  5. Step 5: Solve for x
    x = 20,347,523,592.62/149,225.82
  6. Step 6: Final answer
    x = 136,353.91

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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.