Home / 102,416.56-153,388.82-98,870.44

Finding the Fourth Proportional to 102,416.56, 153,388.82 and 98,870.44

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Solution

The fourth proportional to 102,416.56, 153,388.82 and 98,870.44 is: 148,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,416.56 : 153,388.82 = 98,870.44 : x
  2. Step 2: Convert to fraction form
    102,416.56/153,388.82 = 98,870.44/x
  3. Step 3: Cross multiply
    102,416.56x = 153,388.82 × 98,870.44
  4. Step 4: Simplify right side
    102,416.56x = 15,165,620,124.48
  5. Step 5: Solve for x
    x = 15,165,620,124.48/102,416.56
  6. Step 6: Final answer
    x = 148,077.81

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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.