Home / 147,631.79-203,626.91-98,548.70

Finding the Fourth Proportional to 147,631.79, 203,626.91 and 98,548.70

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Solution

The fourth proportional to 147,631.79, 203,626.91 and 98,548.70 is: 135,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,631.79 : 203,626.91 = 98,548.70 : x
  2. Step 2: Convert to fraction form
    147,631.79/203,626.91 = 98,548.70/x
  3. Step 3: Cross multiply
    147,631.79x = 203,626.91 × 98,548.70
  4. Step 4: Simplify right side
    147,631.79x = 20,067,166,493.75
  5. Step 5: Solve for x
    x = 20,067,166,493.75/147,631.79
  6. Step 6: Final answer
    x = 135,927.13

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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.