Home / 147,291.36-220,972.32-47,460.96

Finding the Fourth Proportional to 147,291.36, 220,972.32 and 47,460.96

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Solution

The fourth proportional to 147,291.36, 220,972.32 and 47,460.96 is: 71,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,291.36 : 220,972.32 = 47,460.96 : x
  2. Step 2: Convert to fraction form
    147,291.36/220,972.32 = 47,460.96/x
  3. Step 3: Cross multiply
    147,291.36x = 220,972.32 × 47,460.96
  4. Step 4: Simplify right side
    147,291.36x = 10,487,558,440.63
  5. Step 5: Solve for x
    x = 10,487,558,440.63/147,291.36
  6. Step 6: Final answer
    x = 71,202.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.