Home / 163,721.06-245,581.64-73,658.58

Finding the Fourth Proportional to 163,721.06, 245,581.64 and 73,658.58

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Solution

The fourth proportional to 163,721.06, 245,581.64 and 73,658.58 is: 110,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,721.06 : 245,581.64 = 73,658.58 : x
  2. Step 2: Convert to fraction form
    163,721.06/245,581.64 = 73,658.58/x
  3. Step 3: Cross multiply
    163,721.06x = 245,581.64 × 73,658.58
  4. Step 4: Simplify right side
    163,721.06x = 18,089,194,876.47
  5. Step 5: Solve for x
    x = 18,089,194,876.47/163,721.06
  6. Step 6: Final answer
    x = 110,487.89

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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.