Home / 178,018.20-266,940.90-99,048.60

Finding the Fourth Proportional to 178,018.20, 266,940.90 and 99,048.60

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Solution

The fourth proportional to 178,018.20, 266,940.90 and 99,048.60 is: 148,524.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,018.20 : 266,940.90 = 99,048.60 : x
  2. Step 2: Convert to fraction form
    178,018.20/266,940.90 = 99,048.60/x
  3. Step 3: Cross multiply
    178,018.20x = 266,940.90 × 99,048.60
  4. Step 4: Simplify right side
    178,018.20x = 26,440,122,427.74
  5. Step 5: Solve for x
    x = 26,440,122,427.74/178,018.20
  6. Step 6: Final answer
    x = 148,524.83

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1.5x scale

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.