Home / 166,783.43-249,748.89-91,821.17

Finding the Fourth Proportional to 166,783.43, 249,748.89 and 91,821.17

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Solution

The fourth proportional to 166,783.43, 249,748.89 and 91,821.17 is: 137,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,783.43 : 249,748.89 = 91,821.17 : x
  2. Step 2: Convert to fraction form
    166,783.43/249,748.89 = 91,821.17/x
  3. Step 3: Cross multiply
    166,783.43x = 249,748.89 × 91,821.17
  4. Step 4: Simplify right side
    166,783.43x = 22,932,235,566.04
  5. Step 5: Solve for x
    x = 22,932,235,566.04/166,783.43
  6. Step 6: Final answer
    x = 137,497.08

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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.