Home / 447,626.21-671,457.83-132,083.12

Finding the Fourth Proportional to 447,626.21, 671,457.83 and 132,083.12

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Solution

The fourth proportional to 447,626.21, 671,457.83 and 132,083.12 is: 198,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,626.21 : 671,457.83 = 132,083.12 : x
  2. Step 2: Convert to fraction form
    447,626.21/671,457.83 = 132,083.12/x
  3. Step 3: Cross multiply
    447,626.21x = 671,457.83 × 132,083.12
  4. Step 4: Simplify right side
    447,626.21x = 88,688,241,117.12
  5. Step 5: Solve for x
    x = 88,688,241,117.12/447,626.21
  6. Step 6: Final answer
    x = 198,130.14

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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.