Home / 108,924.12-150,353.91-65,905.83

Finding the Fourth Proportional to 108,924.12, 150,353.91 and 65,905.83

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Solution

The fourth proportional to 108,924.12, 150,353.91 and 65,905.83 is: 90,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,924.12 : 150,353.91 = 65,905.83 : x
  2. Step 2: Convert to fraction form
    108,924.12/150,353.91 = 65,905.83/x
  3. Step 3: Cross multiply
    108,924.12x = 150,353.91 × 65,905.83
  4. Step 4: Simplify right side
    108,924.12x = 9,909,199,232.30
  5. Step 5: Solve for x
    x = 9,909,199,232.30/108,924.12
  6. Step 6: Final answer
    x = 90,973.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.