Home / 146,206.86-219,266.14-76,047.90

Finding the Fourth Proportional to 146,206.86, 219,266.14 and 76,047.90

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Solution

The fourth proportional to 146,206.86, 219,266.14 and 76,047.90 is: 114,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,206.86 : 219,266.14 = 76,047.90 : x
  2. Step 2: Convert to fraction form
    146,206.86/219,266.14 = 76,047.90/x
  3. Step 3: Cross multiply
    146,206.86x = 219,266.14 × 76,047.90
  4. Step 4: Simplify right side
    146,206.86x = 16,674,729,488.11
  5. Step 5: Solve for x
    x = 16,674,729,488.11/146,206.86
  6. Step 6: Final answer
    x = 114,048.89

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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.