Home / 235,638.32-325,156.14-133,631.10

Finding the Fourth Proportional to 235,638.32, 325,156.14 and 133,631.10

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Solution

The fourth proportional to 235,638.32, 325,156.14 and 133,631.10 is: 184,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,638.32 : 325,156.14 = 133,631.10 : x
  2. Step 2: Convert to fraction form
    235,638.32/325,156.14 = 133,631.10/x
  3. Step 3: Cross multiply
    235,638.32x = 325,156.14 × 133,631.10
  4. Step 4: Simplify right side
    235,638.32x = 43,450,972,659.95
  5. Step 5: Solve for x
    x = 43,450,972,659.95/235,638.32
  6. Step 6: Final answer
    x = 184,396.89

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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.