Home / 447,312.24-670,825.26-147,736.98

Finding the Fourth Proportional to 447,312.24, 670,825.26 and 147,736.98

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Solution

The fourth proportional to 447,312.24, 670,825.26 and 147,736.98 is: 221,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,312.24 : 670,825.26 = 147,736.98 : x
  2. Step 2: Convert to fraction form
    447,312.24/670,825.26 = 147,736.98/x
  3. Step 3: Cross multiply
    447,312.24x = 670,825.26 × 147,736.98
  4. Step 4: Simplify right side
    447,312.24x = 99,105,698,020.11
  5. Step 5: Solve for x
    x = 99,105,698,020.11/447,312.24
  6. Step 6: Final answer
    x = 221,558.21

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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.