Home / 108,564.20-162,846.30-98,887.40

Finding the Fourth Proportional to 108,564.20, 162,846.30 and 98,887.40

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Solution

The fourth proportional to 108,564.20, 162,846.30 and 98,887.40 is: 148,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,564.20 : 162,846.30 = 98,887.40 : x
  2. Step 2: Convert to fraction form
    108,564.20/162,846.30 = 98,887.40/x
  3. Step 3: Cross multiply
    108,564.20x = 162,846.30 × 98,887.40
  4. Step 4: Simplify right side
    108,564.20x = 16,103,447,206.62
  5. Step 5: Solve for x
    x = 16,103,447,206.62/108,564.20
  6. Step 6: Final answer
    x = 148,331.10

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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.