Home / 163,926.43-245,805.04-75,103.81

Finding the Fourth Proportional to 163,926.43, 245,805.04 and 75,103.81

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Solution

The fourth proportional to 163,926.43, 245,805.04 and 75,103.81 is: 112,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,926.43 : 245,805.04 = 75,103.81 : x
  2. Step 2: Convert to fraction form
    163,926.43/245,805.04 = 75,103.81/x
  3. Step 3: Cross multiply
    163,926.43x = 245,805.04 × 75,103.81
  4. Step 4: Simplify right side
    163,926.43x = 18,460,895,021.20
  5. Step 5: Solve for x
    x = 18,460,895,021.20/163,926.43
  6. Step 6: Final answer
    x = 112,616.95

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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.