Home / 147,835.50-203,773.41-115,513.62

Finding the Fourth Proportional to 147,835.50, 203,773.41 and 115,513.62

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Solution

The fourth proportional to 147,835.50, 203,773.41 and 115,513.62 is: 159,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.50 : 203,773.41 = 115,513.62 : x
  2. Step 2: Convert to fraction form
    147,835.50/203,773.41 = 115,513.62/x
  3. Step 3: Cross multiply
    147,835.50x = 203,773.41 × 115,513.62
  4. Step 4: Simplify right side
    147,835.50x = 23,538,604,248.84
  5. Step 5: Solve for x
    x = 23,538,604,248.84/147,835.50
  6. Step 6: Final answer
    x = 159,221.60

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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.