Home / 163,426.76-245,214.07-83,423.41

Finding the Fourth Proportional to 163,426.76, 245,214.07 and 83,423.41

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Solution

The fourth proportional to 163,426.76, 245,214.07 and 83,423.41 is: 125,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,426.76 : 245,214.07 = 83,423.41 : x
  2. Step 2: Convert to fraction form
    163,426.76/245,214.07 = 83,423.41/x
  3. Step 3: Cross multiply
    163,426.76x = 245,214.07 × 83,423.41
  4. Step 4: Simplify right side
    163,426.76x = 20,456,593,899.38
  5. Step 5: Solve for x
    x = 20,456,593,899.38/163,426.76
  6. Step 6: Final answer
    x = 125,172.85

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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.