Home / 166,893-250,280.56-72,119.35

Finding the Fourth Proportional to 166,893, 250,280.56 and 72,119.35

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Solution

The fourth proportional to 166,893, 250,280.56 and 72,119.35 is: 108,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,893 : 250,280.56 = 72,119.35 : x
  2. Step 2: Convert to fraction form
    166,893/250,280.56 = 72,119.35/x
  3. Step 3: Cross multiply
    166,893x = 250,280.56 × 72,119.35
  4. Step 4: Simplify right side
    166,893x = 18,050,071,304.84
  5. Step 5: Solve for x
    x = 18,050,071,304.84/166,893
  6. Step 6: Final answer
    x = 108,153.56

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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.