Home / 163,726.20-245,540.70-63,828.90

Finding the Fourth Proportional to 163,726.20, 245,540.70 and 63,828.90

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Solution

The fourth proportional to 163,726.20, 245,540.70 and 63,828.90 is: 95,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,726.20 : 245,540.70 = 63,828.90 : x
  2. Step 2: Convert to fraction form
    163,726.20/245,540.70 = 63,828.90/x
  3. Step 3: Cross multiply
    163,726.20x = 245,540.70 × 63,828.90
  4. Step 4: Simplify right side
    163,726.20x = 15,672,592,786.23
  5. Step 5: Solve for x
    x = 15,672,592,786.23/163,726.20
  6. Step 6: Final answer
    x = 95,724.40

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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.