Home / 108,204.48-162,041.76-89,369.28

Finding the Fourth Proportional to 108,204.48, 162,041.76 and 89,369.28

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Solution

The fourth proportional to 108,204.48, 162,041.76 and 89,369.28 is: 133,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,204.48 : 162,041.76 = 89,369.28 : x
  2. Step 2: Convert to fraction form
    108,204.48/162,041.76 = 89,369.28/x
  3. Step 3: Cross multiply
    108,204.48x = 162,041.76 × 89,369.28
  4. Step 4: Simplify right side
    108,204.48x = 14,481,555,421.13
  5. Step 5: Solve for x
    x = 14,481,555,421.13/108,204.48
  6. Step 6: Final answer
    x = 133,835.08

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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.