Home / 163,491.08-245,104.22-51,113.48

Finding the Fourth Proportional to 163,491.08, 245,104.22 and 51,113.48

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Solution

The fourth proportional to 163,491.08, 245,104.22 and 51,113.48 is: 76,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,491.08 : 245,104.22 = 51,113.48 : x
  2. Step 2: Convert to fraction form
    163,491.08/245,104.22 = 51,113.48/x
  3. Step 3: Cross multiply
    163,491.08x = 245,104.22 × 51,113.48
  4. Step 4: Simplify right side
    163,491.08x = 12,528,129,646.89
  5. Step 5: Solve for x
    x = 12,528,129,646.89/163,491.08
  6. Step 6: Final answer
    x = 76,628.83

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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.