Home / 447,118.72-670,535.82-147,543.46

Finding the Fourth Proportional to 447,118.72, 670,535.82 and 147,543.46

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Solution

The fourth proportional to 447,118.72, 670,535.82 and 147,543.46 is: 221,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,118.72 : 670,535.82 = 147,543.46 : x
  2. Step 2: Convert to fraction form
    447,118.72/670,535.82 = 147,543.46/x
  3. Step 3: Cross multiply
    447,118.72x = 670,535.82 × 147,543.46
  4. Step 4: Simplify right side
    447,118.72x = 98,933,173,260.40
  5. Step 5: Solve for x
    x = 98,933,173,260.40/447,118.72
  6. Step 6: Final answer
    x = 221,268.24

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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.