Home / 166,828.95-250,124.54-78,034.05

Finding the Fourth Proportional to 166,828.95, 250,124.54 and 78,034.05

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Solution

The fourth proportional to 166,828.95, 250,124.54 and 78,034.05 is: 116,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828.95 : 250,124.54 = 78,034.05 : x
  2. Step 2: Convert to fraction form
    166,828.95/250,124.54 = 78,034.05/x
  3. Step 3: Cross multiply
    166,828.95x = 250,124.54 × 78,034.05
  4. Step 4: Simplify right side
    166,828.95x = 19,518,230,470.42
  5. Step 5: Solve for x
    x = 19,518,230,470.42/166,828.95
  6. Step 6: Final answer
    x = 116,995.46

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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.