Home / 163,703.61-245,557.23-45,375.96

Finding the Fourth Proportional to 163,703.61, 245,557.23 and 45,375.96

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Solution

The fourth proportional to 163,703.61, 245,557.23 and 45,375.96 is: 68,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,703.61 : 245,557.23 = 45,375.96 : x
  2. Step 2: Convert to fraction form
    163,703.61/245,557.23 = 45,375.96/x
  3. Step 3: Cross multiply
    163,703.61x = 245,557.23 × 45,375.96
  4. Step 4: Simplify right side
    163,703.61x = 11,142,395,046.19
  5. Step 5: Solve for x
    x = 11,142,395,046.19/163,703.61
  6. Step 6: Final answer
    x = 68,064.44

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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.