Home / 165,726.20-248,621.70-65,869.40

Finding the Fourth Proportional to 165,726.20, 248,621.70 and 65,869.40

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Solution

The fourth proportional to 165,726.20, 248,621.70 and 65,869.40 is: 98,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,726.20 : 248,621.70 = 65,869.40 : x
  2. Step 2: Convert to fraction form
    165,726.20/248,621.70 = 65,869.40/x
  3. Step 3: Cross multiply
    165,726.20x = 248,621.70 × 65,869.40
  4. Step 4: Simplify right side
    165,726.20x = 16,376,562,205.98
  5. Step 5: Solve for x
    x = 16,376,562,205.98/165,726.20
  6. Step 6: Final answer
    x = 98,816.98

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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.