Home / 447,102.12-670,596-147,508.56

Finding the Fourth Proportional to 447,102.12, 670,596 and 147,508.56

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Solution

The fourth proportional to 447,102.12, 670,596 and 147,508.56 is: 221,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,102.12 : 670,596 = 147,508.56 : x
  2. Step 2: Convert to fraction form
    447,102.12/670,596 = 147,508.56/x
  3. Step 3: Cross multiply
    447,102.12x = 670,596 × 147,508.56
  4. Step 4: Simplify right side
    447,102.12x = 98,918,650,301.76
  5. Step 5: Solve for x
    x = 98,918,650,301.76/447,102.12
  6. Step 6: Final answer
    x = 221,243.98

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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.