Home / 166,503.74-249,821.28-72,943.88

Finding the Fourth Proportional to 166,503.74, 249,821.28 and 72,943.88

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Solution

The fourth proportional to 166,503.74, 249,821.28 and 72,943.88 is: 109,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,503.74 : 249,821.28 = 72,943.88 : x
  2. Step 2: Convert to fraction form
    166,503.74/249,821.28 = 72,943.88/x
  3. Step 3: Cross multiply
    166,503.74x = 249,821.28 × 72,943.88
  4. Step 4: Simplify right side
    166,503.74x = 18,222,932,220.66
  5. Step 5: Solve for x
    x = 18,222,932,220.66/166,503.74
  6. Step 6: Final answer
    x = 109,444.59

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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.