Home / 447,221.02-670,899.54-147,733.24

Finding the Fourth Proportional to 447,221.02, 670,899.54 and 147,733.24

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Solution

The fourth proportional to 447,221.02, 670,899.54 and 147,733.24 is: 221,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,221.02 : 670,899.54 = 147,733.24 : x
  2. Step 2: Convert to fraction form
    447,221.02/670,899.54 = 147,733.24/x
  3. Step 3: Cross multiply
    447,221.02x = 670,899.54 × 147,733.24
  4. Step 4: Simplify right side
    447,221.02x = 99,114,162,758.71
  5. Step 5: Solve for x
    x = 99,114,162,758.71/447,221.02
  6. Step 6: Final answer
    x = 221,622.33

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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.