Home / 447,811.77-671,592.89-148,315.80

Finding the Fourth Proportional to 447,811.77, 671,592.89 and 148,315.80

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Solution

The fourth proportional to 447,811.77, 671,592.89 and 148,315.80 is: 222,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,811.77 : 671,592.89 = 148,315.80 : x
  2. Step 2: Convert to fraction form
    447,811.77/671,592.89 = 148,315.80/x
  3. Step 3: Cross multiply
    447,811.77x = 671,592.89 × 148,315.80
  4. Step 4: Simplify right side
    447,811.77x = 99,607,832,655.12
  5. Step 5: Solve for x
    x = 99,607,832,655.12/447,811.77
  6. Step 6: Final answer
    x = 222,432.37

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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.