Home / 108,205.34-149,320.58-60,459.08

Finding the Fourth Proportional to 108,205.34, 149,320.58 and 60,459.08

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Solution

The fourth proportional to 108,205.34, 149,320.58 and 60,459.08 is: 83,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,205.34 : 149,320.58 = 60,459.08 : x
  2. Step 2: Convert to fraction form
    108,205.34/149,320.58 = 60,459.08/x
  3. Step 3: Cross multiply
    108,205.34x = 149,320.58 × 60,459.08
  4. Step 4: Simplify right side
    108,205.34x = 9,027,784,891.87
  5. Step 5: Solve for x
    x = 9,027,784,891.87/108,205.34
  6. Step 6: Final answer
    x = 83,431.97

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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.